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"use strict"; |
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2
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Object.defineProperty(exports, "__esModule", { value: true }); |
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const ts = require("typescript"); |
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4
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const node_1 = require("../typeguard/node"); |
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const _3_2_1 = require("../typeguard/3.2"); |
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const type_1 = require("./type"); |
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function getChildOfKind(node, kind, sourceFile) { |
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for (const child of node.getChildren(sourceFile)) |
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if (child.kind === kind) |
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return child; |
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} |
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exports.getChildOfKind = getChildOfKind; |
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13
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function isTokenKind(kind) { |
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return kind >= ts.SyntaxKind.FirstToken && kind <= ts.SyntaxKind.LastToken; |
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} |
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exports.isTokenKind = isTokenKind; |
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function isNodeKind(kind) { |
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return kind >= ts.SyntaxKind.FirstNode; |
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} |
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exports.isNodeKind = isNodeKind; |
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function isAssignmentKind(kind) { |
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return kind >= ts.SyntaxKind.FirstAssignment && kind <= ts.SyntaxKind.LastAssignment; |
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} |
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exports.isAssignmentKind = isAssignmentKind; |
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function isTypeNodeKind(kind) { |
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return kind >= ts.SyntaxKind.FirstTypeNode && kind <= ts.SyntaxKind.LastTypeNode; |
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} |
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28
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exports.isTypeNodeKind = isTypeNodeKind; |
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29
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function isJsDocKind(kind) { |
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return kind >= ts.SyntaxKind.FirstJSDocNode && kind <= ts.SyntaxKind.LastJSDocNode; |
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} |
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exports.isJsDocKind = isJsDocKind; |
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33
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function isKeywordKind(kind) { |
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return kind >= ts.SyntaxKind.FirstKeyword && kind <= ts.SyntaxKind.LastKeyword; |
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} |
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exports.isKeywordKind = isKeywordKind; |
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37
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function isThisParameter(parameter) { |
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return parameter.name.kind === ts.SyntaxKind.Identifier && parameter.name.originalKeywordKind === ts.SyntaxKind.ThisKeyword; |
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} |
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exports.isThisParameter = isThisParameter; |
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41
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function getModifier(node, kind) { |
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if (node.modifiers !== undefined) |
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for (const modifier of node.modifiers) |
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if (modifier.kind === kind) |
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return modifier; |
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} |
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exports.getModifier = getModifier; |
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48
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function hasModifier(modifiers, ...kinds) { |
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49
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if (modifiers === undefined) |
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return false; |
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51
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for (const modifier of modifiers) |
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52
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if (kinds.includes(modifier.kind)) |
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return true; |
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return false; |
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55
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} |
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exports.hasModifier = hasModifier; |
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57
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function isParameterProperty(node) { |
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58
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return hasModifier(node.modifiers, ts.SyntaxKind.PublicKeyword, ts.SyntaxKind.ProtectedKeyword, ts.SyntaxKind.PrivateKeyword, ts.SyntaxKind.ReadonlyKeyword); |
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} |
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exports.isParameterProperty = isParameterProperty; |
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function hasAccessModifier(node) { |
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return hasModifier(node.modifiers, ts.SyntaxKind.PublicKeyword, ts.SyntaxKind.ProtectedKeyword, ts.SyntaxKind.PrivateKeyword); |
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} |
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exports.hasAccessModifier = hasAccessModifier; |
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function isFlagSet(obj, flag) { |
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return (obj.flags & flag) !== 0; |
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} |
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68
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exports.isNodeFlagSet = isFlagSet; |
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69
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exports.isTypeFlagSet = isFlagSet; |
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70
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exports.isSymbolFlagSet = isFlagSet; |
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71
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function isObjectFlagSet(objectType, flag) { |
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72
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return (objectType.objectFlags & flag) !== 0; |
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} |
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exports.isObjectFlagSet = isObjectFlagSet; |
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75
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function isModifierFlagSet(node, flag) { |
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76
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return (ts.getCombinedModifierFlags(node) & flag) !== 0; |
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} |
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exports.isModifierFlagSet = isModifierFlagSet; |
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function getPreviousStatement(statement) { |
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80
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const parent = statement.parent; |
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81
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if (node_1.isBlockLike(parent)) { |
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const index = parent.statements.indexOf(statement); |
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if (index > 0) |
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return parent.statements[index - 1]; |
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} |
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86
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} |
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exports.getPreviousStatement = getPreviousStatement; |
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function getNextStatement(statement) { |
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const parent = statement.parent; |
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if (node_1.isBlockLike(parent)) { |
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const index = parent.statements.indexOf(statement); |
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if (index < parent.statements.length) |
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return parent.statements[index + 1]; |
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} |
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} |
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exports.getNextStatement = getNextStatement; |
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function getPreviousToken(node, sourceFile) { |
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let parent = node.parent; |
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99
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while (parent !== undefined && parent.pos === node.pos) |
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parent = parent.parent; |
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if (parent === undefined) |
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return; |
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outer: while (true) { |
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const children = parent.getChildren(sourceFile); |
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for (let i = children.length - 1; i >= 0; --i) { |
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const child = children[i]; |
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if (child.pos < node.pos && child.kind !== ts.SyntaxKind.JSDocComment) { |
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if (isTokenKind(child.kind)) |
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return child; |
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parent = child; |
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continue outer; |
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} |
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} |
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return; |
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} |
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} |
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exports.getPreviousToken = getPreviousToken; |
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function getNextToken(node, sourceFile = node.getSourceFile()) { |
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if (node.kind === ts.SyntaxKind.SourceFile || node.kind === ts.SyntaxKind.EndOfFileToken) |
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return; |
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const end = node.end; |
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node = node.parent; |
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while (node.end === end) { |
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if (node.parent === undefined) |
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return node.endOfFileToken; |
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node = node.parent; |
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} |
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return getTokenAtPositionWorker(node, end, sourceFile, false); |
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} |
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exports.getNextToken = getNextToken; |
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function getTokenAtPosition(parent, pos, sourceFile, allowJsDoc) { |
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if (pos < parent.pos || pos >= parent.end) |
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return; |
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if (isTokenKind(parent.kind)) |
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return parent; |
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if (sourceFile === undefined) |
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sourceFile = parent.getSourceFile(); |
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return getTokenAtPositionWorker(parent, pos, sourceFile, allowJsDoc === true); |
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} |
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exports.getTokenAtPosition = getTokenAtPosition; |
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function getTokenAtPositionWorker(node, pos, sourceFile, allowJsDoc) { |
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outer: while (true) { |
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for (const child of node.getChildren(sourceFile)) { |
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if (child.end > pos && (allowJsDoc || child.kind !== ts.SyntaxKind.JSDocComment)) { |
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if (isTokenKind(child.kind)) |
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return child; |
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node = child; |
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continue outer; |
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} |
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} |
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return; |
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} |
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} |
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function getCommentAtPosition(sourceFile, pos, parent = sourceFile) { |
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const token = getTokenAtPosition(parent, pos, sourceFile); |
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156
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if (token === undefined || token.kind === ts.SyntaxKind.JsxText || pos >= token.end - (ts.tokenToString(token.kind) || '').length) |
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return; |
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158
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const startPos = token.pos === 0 |
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159
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? (ts.getShebang(sourceFile.text) || '').length |
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: token.pos; |
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return startPos !== 0 && ts.forEachTrailingCommentRange(sourceFile.text, startPos, commentAtPositionCallback, pos) || |
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ts.forEachLeadingCommentRange(sourceFile.text, startPos, commentAtPositionCallback, pos); |
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} |
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164
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exports.getCommentAtPosition = getCommentAtPosition; |
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165
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function commentAtPositionCallback(pos, end, kind, _nl, at) { |
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return at >= pos && at < end ? { pos, end, kind } : undefined; |
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167
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} |
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168
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function isPositionInComment(sourceFile, pos, parent) { |
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return getCommentAtPosition(sourceFile, pos, parent) !== undefined; |
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} |
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exports.isPositionInComment = isPositionInComment; |
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172
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function commentText(sourceText, comment) { |
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return sourceText.substring(comment.pos + 2, comment.kind === ts.SyntaxKind.SingleLineCommentTrivia ? comment.end : comment.end - 2); |
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} |
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exports.commentText = commentText; |
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176
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function getWrappedNodeAtPosition(wrap, pos) { |
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177
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if (wrap.node.pos > pos || wrap.node.end <= pos) |
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return; |
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outer: while (true) { |
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180
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for (const child of wrap.children) { |
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181
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if (child.node.pos > pos) |
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182
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return wrap; |
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183
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if (child.node.end > pos) { |
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184
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wrap = child; |
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185
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continue outer; |
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186
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} |
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187
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} |
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188
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return wrap; |
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189
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} |
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190
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} |
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191
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exports.getWrappedNodeAtPosition = getWrappedNodeAtPosition; |
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192
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function getPropertyName(propertyName) { |
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193
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if (propertyName.kind === ts.SyntaxKind.ComputedPropertyName) { |
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194
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if (!node_1.isLiteralExpression(propertyName.expression)) |
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195
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return; |
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196
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if (_3_2_1.isBigIntLiteral(propertyName.expression)) |
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197
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return propertyName.expression.text.slice(0, -1); |
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198
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return propertyName.expression.text; |
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199
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} |
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200
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return propertyName.text; |
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201
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} |
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202
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exports.getPropertyName = getPropertyName; |
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203
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function forEachDestructuringIdentifier(pattern, fn) { |
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204
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for (const element of pattern.elements) { |
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205
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if (element.kind !== ts.SyntaxKind.BindingElement) |
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206
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continue; |
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207
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let result; |
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208
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if (element.name.kind === ts.SyntaxKind.Identifier) { |
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209
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result = fn(element); |
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210
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} |
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211
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else { |
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212
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result = forEachDestructuringIdentifier(element.name, fn); |
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213
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} |
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214
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if (result) |
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215
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return result; |
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216
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} |
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217
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} |
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218
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exports.forEachDestructuringIdentifier = forEachDestructuringIdentifier; |
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219
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function forEachDeclaredVariable(declarationList, cb) { |
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220
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for (const declaration of declarationList.declarations) { |
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221
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let result; |
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222
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if (declaration.name.kind === ts.SyntaxKind.Identifier) { |
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223
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result = cb(declaration); |
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224
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} |
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225
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else { |
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226
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result = forEachDestructuringIdentifier(declaration.name, cb); |
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227
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} |
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228
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if (result) |
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229
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return result; |
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230
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} |
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231
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} |
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232
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exports.forEachDeclaredVariable = forEachDeclaredVariable; |
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233
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var VariableDeclarationKind; |
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234
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(function (VariableDeclarationKind) { |
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235
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VariableDeclarationKind[VariableDeclarationKind["Var"] = 0] = "Var"; |
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236
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VariableDeclarationKind[VariableDeclarationKind["Let"] = 1] = "Let"; |
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237
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VariableDeclarationKind[VariableDeclarationKind["Const"] = 2] = "Const"; |
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238
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})(VariableDeclarationKind = exports.VariableDeclarationKind || (exports.VariableDeclarationKind = {})); |
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239
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function getVariableDeclarationKind(declarationList) { |
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240
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if (declarationList.flags & ts.NodeFlags.Let) |
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241
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return 1; |
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242
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|
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if (declarationList.flags & ts.NodeFlags.Const) |
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243
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return 2; |
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244
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return 0; |
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245
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} |
|
246
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|
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exports.getVariableDeclarationKind = getVariableDeclarationKind; |
|
247
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function isBlockScopedVariableDeclarationList(declarationList) { |
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248
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return (declarationList.flags & ts.NodeFlags.BlockScoped) !== 0; |
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249
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} |
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250
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exports.isBlockScopedVariableDeclarationList = isBlockScopedVariableDeclarationList; |
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251
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function isBlockScopedVariableDeclaration(declaration) { |
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252
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const parent = declaration.parent; |
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253
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return parent.kind === ts.SyntaxKind.CatchClause || |
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254
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isBlockScopedVariableDeclarationList(parent); |
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255
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} |
|
256
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exports.isBlockScopedVariableDeclaration = isBlockScopedVariableDeclaration; |
|
257
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|
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function isBlockScopedDeclarationStatement(statement) { |
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258
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|
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switch (statement.kind) { |
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259
|
|
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case ts.SyntaxKind.VariableStatement: |
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260
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return isBlockScopedVariableDeclarationList(statement.declarationList); |
|
261
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|
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case ts.SyntaxKind.ClassDeclaration: |
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262
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case ts.SyntaxKind.EnumDeclaration: |
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263
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case ts.SyntaxKind.InterfaceDeclaration: |
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264
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case ts.SyntaxKind.TypeAliasDeclaration: |
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265
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return true; |
|
266
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default: |
|
267
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return false; |
|
268
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|
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} |
|
269
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|
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} |
|
270
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|
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exports.isBlockScopedDeclarationStatement = isBlockScopedDeclarationStatement; |
|
271
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function isInSingleStatementContext(statement) { |
|
272
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|
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switch (statement.parent.kind) { |
|
273
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case ts.SyntaxKind.ForStatement: |
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274
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case ts.SyntaxKind.ForInStatement: |
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275
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case ts.SyntaxKind.ForOfStatement: |
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276
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case ts.SyntaxKind.WhileStatement: |
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277
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case ts.SyntaxKind.DoStatement: |
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278
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case ts.SyntaxKind.IfStatement: |
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279
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case ts.SyntaxKind.WithStatement: |
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280
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case ts.SyntaxKind.LabeledStatement: |
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281
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return true; |
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282
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default: |
|
283
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return false; |
|
284
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|
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} |
|
285
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|
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} |
|
286
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|
|
exports.isInSingleStatementContext = isInSingleStatementContext; |
|
287
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|
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var ScopeBoundary; |
|
288
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|
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(function (ScopeBoundary) { |
|
289
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|
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ScopeBoundary[ScopeBoundary["None"] = 0] = "None"; |
|
290
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|
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ScopeBoundary[ScopeBoundary["Function"] = 1] = "Function"; |
|
291
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ScopeBoundary[ScopeBoundary["Block"] = 2] = "Block"; |
|
292
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ScopeBoundary[ScopeBoundary["Type"] = 4] = "Type"; |
|
293
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ScopeBoundary[ScopeBoundary["ConditionalType"] = 8] = "ConditionalType"; |
|
294
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|
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})(ScopeBoundary = exports.ScopeBoundary || (exports.ScopeBoundary = {})); |
|
295
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|
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var ScopeBoundarySelector; |
|
296
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|
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(function (ScopeBoundarySelector) { |
|
297
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|
|
ScopeBoundarySelector[ScopeBoundarySelector["Function"] = 1] = "Function"; |
|
298
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|
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ScopeBoundarySelector[ScopeBoundarySelector["Block"] = 3] = "Block"; |
|
299
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ScopeBoundarySelector[ScopeBoundarySelector["Type"] = 7] = "Type"; |
|
300
|
|
|
ScopeBoundarySelector[ScopeBoundarySelector["InferType"] = 8] = "InferType"; |
|
301
|
|
|
})(ScopeBoundarySelector = exports.ScopeBoundarySelector || (exports.ScopeBoundarySelector = {})); |
|
302
|
|
|
function isScopeBoundary(node) { |
|
303
|
|
|
return isFunctionScopeBoundary(node) || isBlockScopeBoundary(node) || isTypeScopeBoundary(node); |
|
304
|
|
|
} |
|
305
|
|
|
exports.isScopeBoundary = isScopeBoundary; |
|
306
|
|
|
function isTypeScopeBoundary(node) { |
|
307
|
|
|
switch (node.kind) { |
|
308
|
|
|
case ts.SyntaxKind.InterfaceDeclaration: |
|
309
|
|
|
case ts.SyntaxKind.TypeAliasDeclaration: |
|
310
|
|
|
case ts.SyntaxKind.MappedType: |
|
311
|
|
|
return 4; |
|
312
|
|
|
case ts.SyntaxKind.ConditionalType: |
|
313
|
|
|
return 8; |
|
314
|
|
|
default: |
|
315
|
|
|
return 0; |
|
316
|
|
|
} |
|
317
|
|
|
} |
|
318
|
|
|
exports.isTypeScopeBoundary = isTypeScopeBoundary; |
|
319
|
|
|
function isFunctionScopeBoundary(node) { |
|
320
|
|
|
switch (node.kind) { |
|
321
|
|
|
case ts.SyntaxKind.FunctionExpression: |
|
322
|
|
|
case ts.SyntaxKind.ArrowFunction: |
|
323
|
|
|
case ts.SyntaxKind.Constructor: |
|
324
|
|
|
case ts.SyntaxKind.ModuleDeclaration: |
|
325
|
|
|
case ts.SyntaxKind.ClassDeclaration: |
|
326
|
|
|
case ts.SyntaxKind.ClassExpression: |
|
327
|
|
|
case ts.SyntaxKind.EnumDeclaration: |
|
328
|
|
|
case ts.SyntaxKind.MethodDeclaration: |
|
329
|
|
|
case ts.SyntaxKind.FunctionDeclaration: |
|
330
|
|
|
case ts.SyntaxKind.GetAccessor: |
|
331
|
|
|
case ts.SyntaxKind.SetAccessor: |
|
332
|
|
|
case ts.SyntaxKind.MethodSignature: |
|
333
|
|
|
case ts.SyntaxKind.CallSignature: |
|
334
|
|
|
case ts.SyntaxKind.ConstructSignature: |
|
335
|
|
|
case ts.SyntaxKind.ConstructorType: |
|
336
|
|
|
case ts.SyntaxKind.FunctionType: |
|
337
|
|
|
return 1; |
|
338
|
|
|
case ts.SyntaxKind.SourceFile: |
|
339
|
|
|
return ts.isExternalModule(node) ? 1 : 0; |
|
340
|
|
|
default: |
|
341
|
|
|
return 0; |
|
342
|
|
|
} |
|
343
|
|
|
} |
|
344
|
|
|
exports.isFunctionScopeBoundary = isFunctionScopeBoundary; |
|
345
|
|
|
function isBlockScopeBoundary(node) { |
|
346
|
|
|
switch (node.kind) { |
|
347
|
|
|
case ts.SyntaxKind.Block: |
|
348
|
|
|
const parent = node.parent; |
|
349
|
|
|
return parent.kind !== ts.SyntaxKind.CatchClause && |
|
350
|
|
|
(parent.kind === ts.SyntaxKind.SourceFile || |
|
351
|
|
|
!isFunctionScopeBoundary(parent)) |
|
352
|
|
|
? 2 |
|
353
|
|
|
: 0; |
|
354
|
|
|
case ts.SyntaxKind.ForStatement: |
|
355
|
|
|
case ts.SyntaxKind.ForInStatement: |
|
356
|
|
|
case ts.SyntaxKind.ForOfStatement: |
|
357
|
|
|
case ts.SyntaxKind.CaseBlock: |
|
358
|
|
|
case ts.SyntaxKind.CatchClause: |
|
359
|
|
|
case ts.SyntaxKind.WithStatement: |
|
360
|
|
|
return 2; |
|
361
|
|
|
default: |
|
362
|
|
|
return 0; |
|
363
|
|
|
} |
|
364
|
|
|
} |
|
365
|
|
|
exports.isBlockScopeBoundary = isBlockScopeBoundary; |
|
366
|
|
|
function hasOwnThisReference(node) { |
|
367
|
|
|
switch (node.kind) { |
|
368
|
|
|
case ts.SyntaxKind.ClassDeclaration: |
|
369
|
|
|
case ts.SyntaxKind.ClassExpression: |
|
370
|
|
|
case ts.SyntaxKind.FunctionExpression: |
|
371
|
|
|
return true; |
|
372
|
|
|
case ts.SyntaxKind.FunctionDeclaration: |
|
373
|
|
|
return node.body !== undefined; |
|
374
|
|
|
case ts.SyntaxKind.MethodDeclaration: |
|
375
|
|
|
case ts.SyntaxKind.GetAccessor: |
|
376
|
|
|
case ts.SyntaxKind.SetAccessor: |
|
377
|
|
|
return node.parent.kind === ts.SyntaxKind.ObjectLiteralExpression; |
|
378
|
|
|
default: |
|
379
|
|
|
return false; |
|
380
|
|
|
} |
|
381
|
|
|
} |
|
382
|
|
|
exports.hasOwnThisReference = hasOwnThisReference; |
|
383
|
|
|
function isFunctionWithBody(node) { |
|
384
|
|
|
switch (node.kind) { |
|
385
|
|
|
case ts.SyntaxKind.GetAccessor: |
|
386
|
|
|
case ts.SyntaxKind.SetAccessor: |
|
387
|
|
|
case ts.SyntaxKind.FunctionDeclaration: |
|
388
|
|
|
case ts.SyntaxKind.MethodDeclaration: |
|
389
|
|
|
case ts.SyntaxKind.Constructor: |
|
390
|
|
|
return node.body !== undefined; |
|
391
|
|
|
case ts.SyntaxKind.FunctionExpression: |
|
392
|
|
|
case ts.SyntaxKind.ArrowFunction: |
|
393
|
|
|
return true; |
|
394
|
|
|
default: |
|
395
|
|
|
return false; |
|
396
|
|
|
} |
|
397
|
|
|
} |
|
398
|
|
|
exports.isFunctionWithBody = isFunctionWithBody; |
|
399
|
|
|
function forEachToken(node, cb, sourceFile = node.getSourceFile()) { |
|
400
|
|
|
return (function iterate(child) { |
|
401
|
|
|
if (isTokenKind(child.kind)) |
|
402
|
|
|
return cb(child); |
|
403
|
|
|
if (child.kind !== ts.SyntaxKind.JSDocComment) |
|
404
|
|
|
return child.getChildren(sourceFile).forEach(iterate); |
|
405
|
|
|
})(node); |
|
406
|
|
|
} |
|
407
|
|
|
exports.forEachToken = forEachToken; |
|
408
|
|
|
function forEachTokenWithTrivia(node, cb, sourceFile = node.getSourceFile()) { |
|
409
|
|
|
const fullText = sourceFile.text; |
|
410
|
|
|
const scanner = ts.createScanner(sourceFile.languageVersion, false, sourceFile.languageVariant, fullText); |
|
411
|
|
|
return forEachToken(node, (token) => { |
|
412
|
|
|
const tokenStart = token.kind === ts.SyntaxKind.JsxText || token.pos === token.end ? token.pos : token.getStart(sourceFile); |
|
413
|
|
|
if (tokenStart !== token.pos) { |
|
414
|
|
|
scanner.setTextPos(token.pos); |
|
415
|
|
|
let kind = scanner.scan(); |
|
416
|
|
|
let pos = scanner.getTokenPos(); |
|
417
|
|
|
while (pos < tokenStart) { |
|
418
|
|
|
const textPos = scanner.getTextPos(); |
|
419
|
|
|
cb(fullText, kind, { pos, end: textPos }, token.parent); |
|
420
|
|
|
if (textPos === tokenStart) |
|
421
|
|
|
break; |
|
422
|
|
|
kind = scanner.scan(); |
|
423
|
|
|
pos = scanner.getTokenPos(); |
|
424
|
|
|
} |
|
425
|
|
|
} |
|
426
|
|
|
return cb(fullText, token.kind, { end: token.end, pos: tokenStart }, token.parent); |
|
427
|
|
|
}, sourceFile); |
|
428
|
|
|
} |
|
429
|
|
|
exports.forEachTokenWithTrivia = forEachTokenWithTrivia; |
|
430
|
|
|
function forEachComment(node, cb, sourceFile = node.getSourceFile()) { |
|
431
|
|
|
const fullText = sourceFile.text; |
|
432
|
|
|
const notJsx = sourceFile.languageVariant !== ts.LanguageVariant.JSX; |
|
433
|
|
|
return forEachToken(node, (token) => { |
|
434
|
|
|
if (token.pos === token.end) |
|
435
|
|
|
return; |
|
436
|
|
|
if (token.kind !== ts.SyntaxKind.JsxText) |
|
437
|
|
|
ts.forEachLeadingCommentRange(fullText, token.pos === 0 ? (ts.getShebang(fullText) || '').length : token.pos, commentCallback); |
|
438
|
|
|
if (notJsx || canHaveTrailingTrivia(token)) |
|
439
|
|
|
return ts.forEachTrailingCommentRange(fullText, token.end, commentCallback); |
|
440
|
|
|
}, sourceFile); |
|
441
|
|
|
function commentCallback(pos, end, kind) { |
|
442
|
|
|
cb(fullText, { pos, end, kind }); |
|
443
|
|
|
} |
|
444
|
|
|
} |
|
445
|
|
|
exports.forEachComment = forEachComment; |
|
446
|
|
|
function canHaveTrailingTrivia(token) { |
|
447
|
|
|
switch (token.kind) { |
|
448
|
|
|
case ts.SyntaxKind.CloseBraceToken: |
|
449
|
|
|
return token.parent.kind !== ts.SyntaxKind.JsxExpression || !isJsxElementOrFragment(token.parent.parent); |
|
450
|
|
|
case ts.SyntaxKind.GreaterThanToken: |
|
451
|
|
|
switch (token.parent.kind) { |
|
452
|
|
|
case ts.SyntaxKind.JsxOpeningElement: |
|
453
|
|
|
return token.end !== token.parent.end; |
|
454
|
|
|
case ts.SyntaxKind.JsxOpeningFragment: |
|
455
|
|
|
return false; |
|
456
|
|
|
case ts.SyntaxKind.JsxSelfClosingElement: |
|
457
|
|
|
return token.end !== token.parent.end || |
|
458
|
|
|
!isJsxElementOrFragment(token.parent.parent); |
|
459
|
|
|
case ts.SyntaxKind.JsxClosingElement: |
|
460
|
|
|
case ts.SyntaxKind.JsxClosingFragment: |
|
461
|
|
|
return !isJsxElementOrFragment(token.parent.parent.parent); |
|
462
|
|
|
} |
|
463
|
|
|
} |
|
464
|
|
|
return true; |
|
465
|
|
|
} |
|
466
|
|
|
function isJsxElementOrFragment(node) { |
|
467
|
|
|
return node.kind === ts.SyntaxKind.JsxElement || node.kind === ts.SyntaxKind.JsxFragment; |
|
468
|
|
|
} |
|
469
|
|
|
function getLineRanges(sourceFile) { |
|
470
|
|
|
const lineStarts = sourceFile.getLineStarts(); |
|
471
|
|
|
const result = []; |
|
472
|
|
|
const length = lineStarts.length; |
|
473
|
|
|
const sourceText = sourceFile.text; |
|
474
|
|
|
let pos = 0; |
|
475
|
|
|
for (let i = 1; i < length; ++i) { |
|
476
|
|
|
const end = lineStarts[i]; |
|
477
|
|
|
let lineEnd = end; |
|
478
|
|
|
for (; lineEnd > pos; --lineEnd) |
|
479
|
|
|
if (!ts.isLineBreak(sourceText.charCodeAt(lineEnd - 1))) |
|
480
|
|
|
break; |
|
481
|
|
|
result.push({ |
|
482
|
|
|
pos, |
|
483
|
|
|
end, |
|
484
|
|
|
contentLength: lineEnd - pos, |
|
485
|
|
|
}); |
|
486
|
|
|
pos = end; |
|
487
|
|
|
} |
|
488
|
|
|
result.push({ |
|
489
|
|
|
pos, |
|
490
|
|
|
end: sourceFile.end, |
|
491
|
|
|
contentLength: sourceFile.end - pos, |
|
492
|
|
|
}); |
|
493
|
|
|
return result; |
|
494
|
|
|
} |
|
495
|
|
|
exports.getLineRanges = getLineRanges; |
|
496
|
|
|
function getLineBreakStyle(sourceFile) { |
|
497
|
|
|
const lineStarts = sourceFile.getLineStarts(); |
|
498
|
|
|
return lineStarts.length === 1 || lineStarts[1] < 2 || sourceFile.text[lineStarts[1] - 2] !== '\r' |
|
499
|
|
|
? '\n' |
|
500
|
|
|
: '\r\n'; |
|
501
|
|
|
} |
|
502
|
|
|
exports.getLineBreakStyle = getLineBreakStyle; |
|
503
|
|
|
let cachedScanner; |
|
504
|
|
|
function scanToken(text, languageVersion) { |
|
505
|
|
|
if (cachedScanner === undefined) { |
|
506
|
|
|
cachedScanner = ts.createScanner(languageVersion, false, undefined, text); |
|
507
|
|
|
} |
|
508
|
|
|
else { |
|
509
|
|
|
cachedScanner.setScriptTarget(languageVersion); |
|
510
|
|
|
cachedScanner.setText(text); |
|
511
|
|
|
} |
|
512
|
|
|
cachedScanner.scan(); |
|
513
|
|
|
return cachedScanner; |
|
514
|
|
|
} |
|
515
|
|
|
function isValidIdentifier(text, languageVersion = ts.ScriptTarget.Latest) { |
|
516
|
|
|
const scan = scanToken(text, languageVersion); |
|
517
|
|
|
return scan.isIdentifier() && scan.getTextPos() === text.length && scan.getTokenPos() === 0; |
|
518
|
|
|
} |
|
519
|
|
|
exports.isValidIdentifier = isValidIdentifier; |
|
520
|
|
|
function charSize(ch) { |
|
521
|
|
|
return ch >= 0x10000 ? 2 : 1; |
|
522
|
|
|
} |
|
523
|
|
|
function isValidPropertyAccess(text, languageVersion = ts.ScriptTarget.Latest) { |
|
524
|
|
|
if (text.length === 0) |
|
525
|
|
|
return false; |
|
526
|
|
|
let ch = text.codePointAt(0); |
|
527
|
|
|
if (!ts.isIdentifierStart(ch, languageVersion)) |
|
528
|
|
|
return false; |
|
529
|
|
|
for (let i = charSize(ch); i < text.length; i += charSize(ch)) { |
|
530
|
|
|
ch = text.codePointAt(i); |
|
531
|
|
|
if (!ts.isIdentifierPart(ch, languageVersion)) |
|
532
|
|
|
return false; |
|
533
|
|
|
} |
|
534
|
|
|
return true; |
|
535
|
|
|
} |
|
536
|
|
|
exports.isValidPropertyAccess = isValidPropertyAccess; |
|
537
|
|
|
function isValidPropertyName(text, languageVersion = ts.ScriptTarget.Latest) { |
|
538
|
|
|
if (isValidPropertyAccess(text, languageVersion)) |
|
539
|
|
|
return true; |
|
540
|
|
|
const scan = scanToken(text, languageVersion); |
|
541
|
|
|
return scan.getTextPos() === text.length && |
|
542
|
|
|
scan.getToken() === ts.SyntaxKind.NumericLiteral && scan.getTokenValue() === text; |
|
543
|
|
|
} |
|
544
|
|
|
exports.isValidPropertyName = isValidPropertyName; |
|
545
|
|
|
function isValidNumericLiteral(text, languageVersion = ts.ScriptTarget.Latest) { |
|
546
|
|
|
const scan = scanToken(text, languageVersion); |
|
547
|
|
|
return scan.getToken() === ts.SyntaxKind.NumericLiteral && scan.getTextPos() === text.length && scan.getTokenPos() === 0; |
|
548
|
|
|
} |
|
549
|
|
|
exports.isValidNumericLiteral = isValidNumericLiteral; |
|
550
|
|
|
function isValidJsxIdentifier(text, languageVersion = ts.ScriptTarget.Latest) { |
|
551
|
|
|
if (text.length === 0) |
|
552
|
|
|
return false; |
|
553
|
|
|
let ch = text.codePointAt(0); |
|
554
|
|
|
if (!ts.isIdentifierStart(ch, languageVersion)) |
|
555
|
|
|
return false; |
|
556
|
|
|
for (let i = charSize(ch); i < text.length; i += charSize(ch)) { |
|
557
|
|
|
ch = text.codePointAt(i); |
|
558
|
|
|
if (!ts.isIdentifierPart(ch, languageVersion) && ch !== 45) |
|
559
|
|
|
return false; |
|
560
|
|
|
} |
|
561
|
|
|
return true; |
|
562
|
|
|
} |
|
563
|
|
|
exports.isValidJsxIdentifier = isValidJsxIdentifier; |
|
564
|
|
|
function isNumericPropertyName(name) { |
|
565
|
|
|
return String(+name) === name; |
|
566
|
|
|
} |
|
567
|
|
|
exports.isNumericPropertyName = isNumericPropertyName; |
|
568
|
|
|
function isSameLine(sourceFile, pos1, pos2) { |
|
569
|
|
|
return ts.getLineAndCharacterOfPosition(sourceFile, pos1).line === ts.getLineAndCharacterOfPosition(sourceFile, pos2).line; |
|
570
|
|
|
} |
|
571
|
|
|
exports.isSameLine = isSameLine; |
|
572
|
|
|
var SideEffectOptions; |
|
573
|
|
|
(function (SideEffectOptions) { |
|
574
|
|
|
SideEffectOptions[SideEffectOptions["None"] = 0] = "None"; |
|
575
|
|
|
SideEffectOptions[SideEffectOptions["TaggedTemplate"] = 1] = "TaggedTemplate"; |
|
576
|
|
|
SideEffectOptions[SideEffectOptions["Constructor"] = 2] = "Constructor"; |
|
577
|
|
|
SideEffectOptions[SideEffectOptions["JsxElement"] = 4] = "JsxElement"; |
|
578
|
|
|
})(SideEffectOptions = exports.SideEffectOptions || (exports.SideEffectOptions = {})); |
|
579
|
|
|
function hasSideEffects(node, options) { |
|
580
|
|
|
switch (node.kind) { |
|
581
|
|
|
case ts.SyntaxKind.CallExpression: |
|
582
|
|
|
case ts.SyntaxKind.PostfixUnaryExpression: |
|
583
|
|
|
case ts.SyntaxKind.AwaitExpression: |
|
584
|
|
|
case ts.SyntaxKind.YieldExpression: |
|
585
|
|
|
case ts.SyntaxKind.DeleteExpression: |
|
586
|
|
|
return true; |
|
587
|
|
|
case ts.SyntaxKind.TypeAssertionExpression: |
|
588
|
|
|
case ts.SyntaxKind.AsExpression: |
|
589
|
|
|
case ts.SyntaxKind.ParenthesizedExpression: |
|
590
|
|
|
case ts.SyntaxKind.NonNullExpression: |
|
591
|
|
|
case ts.SyntaxKind.VoidExpression: |
|
592
|
|
|
case ts.SyntaxKind.TypeOfExpression: |
|
593
|
|
|
case ts.SyntaxKind.PropertyAccessExpression: |
|
594
|
|
|
case ts.SyntaxKind.SpreadElement: |
|
595
|
|
|
case ts.SyntaxKind.PartiallyEmittedExpression: |
|
596
|
|
|
return hasSideEffects(node.expression, options); |
|
597
|
|
|
case ts.SyntaxKind.BinaryExpression: |
|
598
|
|
|
return isAssignmentKind(node.operatorToken.kind) || |
|
599
|
|
|
hasSideEffects(node.left, options) || |
|
600
|
|
|
hasSideEffects(node.right, options); |
|
601
|
|
|
case ts.SyntaxKind.PrefixUnaryExpression: |
|
602
|
|
|
switch (node.operator) { |
|
603
|
|
|
case ts.SyntaxKind.PlusPlusToken: |
|
604
|
|
|
case ts.SyntaxKind.MinusMinusToken: |
|
605
|
|
|
return true; |
|
606
|
|
|
default: |
|
607
|
|
|
return hasSideEffects(node.operand, options); |
|
608
|
|
|
} |
|
609
|
|
|
case ts.SyntaxKind.ElementAccessExpression: |
|
610
|
|
|
return hasSideEffects(node.expression, options) || |
|
611
|
|
|
node.argumentExpression !== undefined && |
|
612
|
|
|
hasSideEffects(node.argumentExpression, options); |
|
613
|
|
|
case ts.SyntaxKind.ConditionalExpression: |
|
614
|
|
|
return hasSideEffects(node.condition, options) || |
|
615
|
|
|
hasSideEffects(node.whenTrue, options) || |
|
616
|
|
|
hasSideEffects(node.whenFalse, options); |
|
617
|
|
|
case ts.SyntaxKind.NewExpression: |
|
618
|
|
|
if (options & 2 || hasSideEffects(node.expression, options)) |
|
619
|
|
|
return true; |
|
620
|
|
|
if (node.arguments !== undefined) |
|
621
|
|
|
for (const child of node.arguments) |
|
622
|
|
|
if (hasSideEffects(child, options)) |
|
623
|
|
|
return true; |
|
624
|
|
|
return false; |
|
625
|
|
|
case ts.SyntaxKind.TaggedTemplateExpression: |
|
626
|
|
|
if (options & 1 || hasSideEffects(node.tag, options)) |
|
627
|
|
|
return true; |
|
628
|
|
|
if (node.template.kind === ts.SyntaxKind.NoSubstitutionTemplateLiteral) |
|
629
|
|
|
return false; |
|
630
|
|
|
node = node.template; |
|
631
|
|
|
case ts.SyntaxKind.TemplateExpression: |
|
632
|
|
|
for (const child of node.templateSpans) |
|
633
|
|
|
if (hasSideEffects(child.expression, options)) |
|
634
|
|
|
return true; |
|
635
|
|
|
return false; |
|
636
|
|
|
case ts.SyntaxKind.ClassExpression: |
|
637
|
|
|
return classExpressionHasSideEffects(node, options); |
|
638
|
|
|
case ts.SyntaxKind.ArrayLiteralExpression: |
|
639
|
|
|
for (const child of node.elements) |
|
640
|
|
|
if (hasSideEffects(child, options)) |
|
641
|
|
|
return true; |
|
642
|
|
|
return false; |
|
643
|
|
|
case ts.SyntaxKind.ObjectLiteralExpression: |
|
644
|
|
|
for (const child of node.properties) { |
|
645
|
|
|
if (child.name !== undefined && child.name.kind === ts.SyntaxKind.ComputedPropertyName && |
|
646
|
|
|
hasSideEffects(child.name.expression, options)) |
|
647
|
|
|
return true; |
|
648
|
|
|
switch (child.kind) { |
|
649
|
|
|
case ts.SyntaxKind.PropertyAssignment: |
|
650
|
|
|
if (hasSideEffects(child.initializer, options)) |
|
651
|
|
|
return true; |
|
652
|
|
|
break; |
|
653
|
|
|
case ts.SyntaxKind.SpreadAssignment: |
|
654
|
|
|
if (hasSideEffects(child.expression, options)) |
|
655
|
|
|
return true; |
|
656
|
|
|
} |
|
657
|
|
|
} |
|
658
|
|
|
return false; |
|
659
|
|
|
case ts.SyntaxKind.JsxExpression: |
|
660
|
|
|
return node.expression !== undefined && hasSideEffects(node.expression, options); |
|
661
|
|
|
case ts.SyntaxKind.JsxElement: |
|
662
|
|
|
case ts.SyntaxKind.JsxFragment: |
|
663
|
|
|
for (const child of node.children) |
|
664
|
|
|
if (child.kind !== ts.SyntaxKind.JsxText && hasSideEffects(child, options)) |
|
665
|
|
|
return true; |
|
666
|
|
|
if (node.kind === ts.SyntaxKind.JsxFragment) |
|
667
|
|
|
return false; |
|
668
|
|
|
node = node.openingElement; |
|
669
|
|
|
case ts.SyntaxKind.JsxSelfClosingElement: |
|
670
|
|
|
case ts.SyntaxKind.JsxOpeningElement: |
|
671
|
|
|
if (options & 4) |
|
672
|
|
|
return true; |
|
673
|
|
|
for (const child of node.attributes.properties) { |
|
674
|
|
|
if (child.kind === ts.SyntaxKind.JsxSpreadAttribute) { |
|
675
|
|
|
if (hasSideEffects(child.expression, options)) |
|
676
|
|
|
return true; |
|
677
|
|
|
} |
|
678
|
|
|
else if (child.initializer !== undefined && hasSideEffects(child.initializer, options)) { |
|
679
|
|
|
return true; |
|
680
|
|
|
} |
|
681
|
|
|
} |
|
682
|
|
|
return false; |
|
683
|
|
|
case ts.SyntaxKind.CommaListExpression: |
|
684
|
|
|
for (const child of node.elements) |
|
685
|
|
|
if (hasSideEffects(child, options)) |
|
686
|
|
|
return true; |
|
687
|
|
|
return false; |
|
688
|
|
|
default: |
|
689
|
|
|
return false; |
|
690
|
|
|
} |
|
691
|
|
|
} |
|
692
|
|
|
exports.hasSideEffects = hasSideEffects; |
|
693
|
|
|
function classExpressionHasSideEffects(node, options) { |
|
694
|
|
|
if (node.heritageClauses !== undefined && node.heritageClauses[0].token === ts.SyntaxKind.ExtendsKeyword) |
|
695
|
|
|
for (const base of node.heritageClauses[0].types) |
|
696
|
|
|
if (hasSideEffects(base.expression, options)) |
|
697
|
|
|
return true; |
|
698
|
|
|
for (const child of node.members) |
|
699
|
|
|
if (child.name !== undefined && child.name.kind === ts.SyntaxKind.ComputedPropertyName && |
|
700
|
|
|
hasSideEffects(child.name.expression, options) || |
|
701
|
|
|
node_1.isPropertyDeclaration(child) && child.initializer !== undefined && |
|
702
|
|
|
hasSideEffects(child.initializer, options)) |
|
703
|
|
|
return true; |
|
704
|
|
|
return false; |
|
705
|
|
|
} |
|
706
|
|
|
function getDeclarationOfBindingElement(node) { |
|
707
|
|
|
let parent = node.parent.parent; |
|
708
|
|
|
while (parent.kind === ts.SyntaxKind.BindingElement) |
|
709
|
|
|
parent = parent.parent.parent; |
|
710
|
|
|
return parent; |
|
711
|
|
|
} |
|
712
|
|
|
exports.getDeclarationOfBindingElement = getDeclarationOfBindingElement; |
|
713
|
|
|
function isExpressionValueUsed(node) { |
|
714
|
|
|
while (true) { |
|
715
|
|
|
const parent = node.parent; |
|
716
|
|
|
switch (parent.kind) { |
|
717
|
|
|
case ts.SyntaxKind.CallExpression: |
|
718
|
|
|
case ts.SyntaxKind.NewExpression: |
|
719
|
|
|
case ts.SyntaxKind.ElementAccessExpression: |
|
720
|
|
|
case ts.SyntaxKind.WhileStatement: |
|
721
|
|
|
case ts.SyntaxKind.DoStatement: |
|
722
|
|
|
case ts.SyntaxKind.WithStatement: |
|
723
|
|
|
case ts.SyntaxKind.ThrowStatement: |
|
724
|
|
|
case ts.SyntaxKind.ReturnStatement: |
|
725
|
|
|
case ts.SyntaxKind.JsxExpression: |
|
726
|
|
|
case ts.SyntaxKind.JsxSpreadAttribute: |
|
727
|
|
|
case ts.SyntaxKind.JsxElement: |
|
728
|
|
|
case ts.SyntaxKind.JsxFragment: |
|
729
|
|
|
case ts.SyntaxKind.JsxSelfClosingElement: |
|
730
|
|
|
case ts.SyntaxKind.ComputedPropertyName: |
|
731
|
|
|
case ts.SyntaxKind.ArrowFunction: |
|
732
|
|
|
case ts.SyntaxKind.ExportSpecifier: |
|
733
|
|
|
case ts.SyntaxKind.ExportAssignment: |
|
734
|
|
|
case ts.SyntaxKind.ImportDeclaration: |
|
735
|
|
|
case ts.SyntaxKind.ExternalModuleReference: |
|
736
|
|
|
case ts.SyntaxKind.Decorator: |
|
737
|
|
|
case ts.SyntaxKind.TaggedTemplateExpression: |
|
738
|
|
|
case ts.SyntaxKind.TemplateSpan: |
|
739
|
|
|
case ts.SyntaxKind.ExpressionWithTypeArguments: |
|
740
|
|
|
case ts.SyntaxKind.TypeOfExpression: |
|
741
|
|
|
case ts.SyntaxKind.AwaitExpression: |
|
742
|
|
|
case ts.SyntaxKind.YieldExpression: |
|
743
|
|
|
case ts.SyntaxKind.LiteralType: |
|
744
|
|
|
case ts.SyntaxKind.JsxAttributes: |
|
745
|
|
|
case ts.SyntaxKind.JsxOpeningElement: |
|
746
|
|
|
case ts.SyntaxKind.JsxClosingElement: |
|
747
|
|
|
case ts.SyntaxKind.IfStatement: |
|
748
|
|
|
case ts.SyntaxKind.CaseClause: |
|
749
|
|
|
case ts.SyntaxKind.SwitchStatement: |
|
750
|
|
|
return true; |
|
751
|
|
|
case ts.SyntaxKind.PropertyAccessExpression: |
|
752
|
|
|
return parent.expression === node; |
|
753
|
|
|
case ts.SyntaxKind.QualifiedName: |
|
754
|
|
|
return parent.left === node; |
|
755
|
|
|
case ts.SyntaxKind.ShorthandPropertyAssignment: |
|
756
|
|
|
return parent.objectAssignmentInitializer === node || |
|
757
|
|
|
!isInDestructuringAssignment(parent); |
|
758
|
|
|
case ts.SyntaxKind.PropertyAssignment: |
|
759
|
|
|
return parent.initializer === node && !isInDestructuringAssignment(parent); |
|
760
|
|
|
case ts.SyntaxKind.SpreadAssignment: |
|
761
|
|
|
case ts.SyntaxKind.SpreadElement: |
|
762
|
|
|
case ts.SyntaxKind.ArrayLiteralExpression: |
|
763
|
|
|
return !isInDestructuringAssignment(parent); |
|
764
|
|
|
case ts.SyntaxKind.ParenthesizedExpression: |
|
765
|
|
|
case ts.SyntaxKind.AsExpression: |
|
766
|
|
|
case ts.SyntaxKind.TypeAssertionExpression: |
|
767
|
|
|
case ts.SyntaxKind.PostfixUnaryExpression: |
|
768
|
|
|
case ts.SyntaxKind.PrefixUnaryExpression: |
|
769
|
|
|
case ts.SyntaxKind.NonNullExpression: |
|
770
|
|
|
node = parent; |
|
771
|
|
|
break; |
|
772
|
|
|
case ts.SyntaxKind.ForStatement: |
|
773
|
|
|
return parent.condition === node; |
|
774
|
|
|
case ts.SyntaxKind.ForInStatement: |
|
775
|
|
|
case ts.SyntaxKind.ForOfStatement: |
|
776
|
|
|
return parent.expression === node; |
|
777
|
|
|
case ts.SyntaxKind.ConditionalExpression: |
|
778
|
|
|
if (parent.condition === node) |
|
779
|
|
|
return true; |
|
780
|
|
|
node = parent; |
|
781
|
|
|
break; |
|
782
|
|
|
case ts.SyntaxKind.PropertyDeclaration: |
|
783
|
|
|
case ts.SyntaxKind.BindingElement: |
|
784
|
|
|
case ts.SyntaxKind.VariableDeclaration: |
|
785
|
|
|
case ts.SyntaxKind.Parameter: |
|
786
|
|
|
case ts.SyntaxKind.EnumMember: |
|
787
|
|
|
return parent.initializer === node; |
|
788
|
|
|
case ts.SyntaxKind.ImportEqualsDeclaration: |
|
789
|
|
|
return parent.moduleReference === node; |
|
790
|
|
|
case ts.SyntaxKind.CommaListExpression: |
|
791
|
|
|
if (parent.elements[parent.elements.length - 1] !== node) |
|
792
|
|
|
return false; |
|
793
|
|
|
node = parent; |
|
794
|
|
|
break; |
|
795
|
|
|
case ts.SyntaxKind.BinaryExpression: |
|
796
|
|
|
if (parent.right === node) { |
|
797
|
|
|
if (parent.operatorToken.kind === ts.SyntaxKind.CommaToken) { |
|
798
|
|
|
node = parent; |
|
799
|
|
|
break; |
|
800
|
|
|
} |
|
801
|
|
|
return true; |
|
802
|
|
|
} |
|
803
|
|
|
switch (parent.operatorToken.kind) { |
|
804
|
|
|
case ts.SyntaxKind.CommaToken: |
|
805
|
|
|
case ts.SyntaxKind.EqualsToken: |
|
806
|
|
|
return false; |
|
807
|
|
|
case ts.SyntaxKind.EqualsEqualsEqualsToken: |
|
808
|
|
|
case ts.SyntaxKind.EqualsEqualsToken: |
|
809
|
|
|
case ts.SyntaxKind.ExclamationEqualsEqualsToken: |
|
810
|
|
|
case ts.SyntaxKind.ExclamationEqualsToken: |
|
811
|
|
|
case ts.SyntaxKind.InstanceOfKeyword: |
|
812
|
|
|
case ts.SyntaxKind.PlusToken: |
|
813
|
|
|
case ts.SyntaxKind.MinusToken: |
|
814
|
|
|
case ts.SyntaxKind.AsteriskToken: |
|
815
|
|
|
case ts.SyntaxKind.SlashToken: |
|
816
|
|
|
case ts.SyntaxKind.PercentToken: |
|
817
|
|
|
case ts.SyntaxKind.AsteriskAsteriskToken: |
|
818
|
|
|
case ts.SyntaxKind.GreaterThanToken: |
|
819
|
|
|
case ts.SyntaxKind.GreaterThanGreaterThanToken: |
|
820
|
|
|
case ts.SyntaxKind.GreaterThanGreaterThanGreaterThanToken: |
|
821
|
|
|
case ts.SyntaxKind.GreaterThanEqualsToken: |
|
822
|
|
|
case ts.SyntaxKind.LessThanToken: |
|
823
|
|
|
case ts.SyntaxKind.LessThanLessThanToken: |
|
824
|
|
|
case ts.SyntaxKind.LessThanEqualsToken: |
|
825
|
|
|
case ts.SyntaxKind.AmpersandToken: |
|
826
|
|
|
case ts.SyntaxKind.BarToken: |
|
827
|
|
|
case ts.SyntaxKind.CaretToken: |
|
828
|
|
|
case ts.SyntaxKind.BarBarToken: |
|
829
|
|
|
case ts.SyntaxKind.AmpersandAmpersandToken: |
|
830
|
|
|
case ts.SyntaxKind.InKeyword: |
|
831
|
|
|
return true; |
|
832
|
|
|
default: |
|
833
|
|
|
node = parent; |
|
834
|
|
|
} |
|
835
|
|
|
break; |
|
836
|
|
|
default: |
|
837
|
|
|
return false; |
|
838
|
|
|
} |
|
839
|
|
|
} |
|
840
|
|
|
} |
|
841
|
|
|
exports.isExpressionValueUsed = isExpressionValueUsed; |
|
842
|
|
|
function isInDestructuringAssignment(node) { |
|
843
|
|
|
switch (node.kind) { |
|
844
|
|
|
case ts.SyntaxKind.ShorthandPropertyAssignment: |
|
845
|
|
|
if (node.objectAssignmentInitializer !== undefined) |
|
846
|
|
|
return true; |
|
847
|
|
|
case ts.SyntaxKind.PropertyAssignment: |
|
848
|
|
|
case ts.SyntaxKind.SpreadAssignment: |
|
849
|
|
|
node = node.parent; |
|
850
|
|
|
break; |
|
851
|
|
|
case ts.SyntaxKind.SpreadElement: |
|
852
|
|
|
if (node.parent.kind !== ts.SyntaxKind.ArrayLiteralExpression) |
|
853
|
|
|
return false; |
|
854
|
|
|
node = node.parent; |
|
855
|
|
|
} |
|
856
|
|
|
while (true) { |
|
857
|
|
|
switch (node.parent.kind) { |
|
858
|
|
|
case ts.SyntaxKind.BinaryExpression: |
|
859
|
|
|
return node.parent.left === node && |
|
860
|
|
|
node.parent.operatorToken.kind === ts.SyntaxKind.EqualsToken; |
|
861
|
|
|
case ts.SyntaxKind.ForOfStatement: |
|
862
|
|
|
return node.parent.initializer === node; |
|
863
|
|
|
case ts.SyntaxKind.ArrayLiteralExpression: |
|
864
|
|
|
case ts.SyntaxKind.ObjectLiteralExpression: |
|
865
|
|
|
node = node.parent; |
|
866
|
|
|
break; |
|
867
|
|
|
case ts.SyntaxKind.SpreadAssignment: |
|
868
|
|
|
case ts.SyntaxKind.PropertyAssignment: |
|
869
|
|
|
node = node.parent.parent; |
|
870
|
|
|
break; |
|
871
|
|
|
case ts.SyntaxKind.SpreadElement: |
|
872
|
|
|
if (node.parent.parent.kind !== ts.SyntaxKind.ArrayLiteralExpression) |
|
873
|
|
|
return false; |
|
874
|
|
|
node = node.parent.parent; |
|
875
|
|
|
break; |
|
876
|
|
|
default: |
|
877
|
|
|
return false; |
|
878
|
|
|
} |
|
879
|
|
|
} |
|
880
|
|
|
} |
|
881
|
|
|
var AccessKind; |
|
882
|
|
|
(function (AccessKind) { |
|
883
|
|
|
AccessKind[AccessKind["None"] = 0] = "None"; |
|
884
|
|
|
AccessKind[AccessKind["Read"] = 1] = "Read"; |
|
885
|
|
|
AccessKind[AccessKind["Write"] = 2] = "Write"; |
|
886
|
|
|
AccessKind[AccessKind["Delete"] = 4] = "Delete"; |
|
887
|
|
|
AccessKind[AccessKind["ReadWrite"] = 3] = "ReadWrite"; |
|
888
|
|
|
AccessKind[AccessKind["Modification"] = 6] = "Modification"; |
|
889
|
|
|
})(AccessKind = exports.AccessKind || (exports.AccessKind = {})); |
|
890
|
|
|
function getAccessKind(node) { |
|
891
|
|
|
const parent = node.parent; |
|
892
|
|
|
switch (parent.kind) { |
|
893
|
|
|
case ts.SyntaxKind.DeleteExpression: |
|
894
|
|
|
return 4; |
|
895
|
|
|
case ts.SyntaxKind.PostfixUnaryExpression: |
|
896
|
|
|
return 3; |
|
897
|
|
|
case ts.SyntaxKind.PrefixUnaryExpression: |
|
898
|
|
|
return parent.operator === ts.SyntaxKind.PlusPlusToken || |
|
899
|
|
|
parent.operator === ts.SyntaxKind.MinusMinusToken |
|
900
|
|
|
? 3 |
|
901
|
|
|
: 1; |
|
902
|
|
|
case ts.SyntaxKind.BinaryExpression: |
|
903
|
|
|
return parent.right === node |
|
904
|
|
|
? 1 |
|
905
|
|
|
: !isAssignmentKind(parent.operatorToken.kind) |
|
906
|
|
|
? 1 |
|
907
|
|
|
: parent.operatorToken.kind === ts.SyntaxKind.EqualsToken |
|
908
|
|
|
? 2 |
|
909
|
|
|
: 3; |
|
910
|
|
|
case ts.SyntaxKind.ShorthandPropertyAssignment: |
|
911
|
|
|
return parent.objectAssignmentInitializer === node |
|
912
|
|
|
? 1 |
|
913
|
|
|
: isInDestructuringAssignment(parent) |
|
914
|
|
|
? 2 |
|
915
|
|
|
: 1; |
|
916
|
|
|
case ts.SyntaxKind.PropertyAssignment: |
|
917
|
|
|
return parent.name === node |
|
918
|
|
|
? 0 |
|
919
|
|
|
: isInDestructuringAssignment(parent) |
|
920
|
|
|
? 2 |
|
921
|
|
|
: 1; |
|
922
|
|
|
case ts.SyntaxKind.ArrayLiteralExpression: |
|
923
|
|
|
case ts.SyntaxKind.SpreadElement: |
|
924
|
|
|
case ts.SyntaxKind.SpreadAssignment: |
|
925
|
|
|
return isInDestructuringAssignment(parent) |
|
926
|
|
|
? 2 |
|
927
|
|
|
: 1; |
|
928
|
|
|
case ts.SyntaxKind.ParenthesizedExpression: |
|
929
|
|
|
case ts.SyntaxKind.NonNullExpression: |
|
930
|
|
|
case ts.SyntaxKind.TypeAssertionExpression: |
|
931
|
|
|
case ts.SyntaxKind.AsExpression: |
|
932
|
|
|
return getAccessKind(parent); |
|
933
|
|
|
case ts.SyntaxKind.ForOfStatement: |
|
934
|
|
|
case ts.SyntaxKind.ForInStatement: |
|
935
|
|
|
return parent.initializer === node |
|
936
|
|
|
? 2 |
|
937
|
|
|
: 1; |
|
938
|
|
|
case ts.SyntaxKind.ExpressionWithTypeArguments: |
|
939
|
|
|
return parent.parent.token === ts.SyntaxKind.ExtendsKeyword && |
|
940
|
|
|
parent.parent.parent.kind !== ts.SyntaxKind.InterfaceDeclaration |
|
941
|
|
|
? 1 |
|
942
|
|
|
: 0; |
|
943
|
|
|
case ts.SyntaxKind.ComputedPropertyName: |
|
944
|
|
|
case ts.SyntaxKind.ExpressionStatement: |
|
945
|
|
|
case ts.SyntaxKind.TypeOfExpression: |
|
946
|
|
|
case ts.SyntaxKind.ElementAccessExpression: |
|
947
|
|
|
case ts.SyntaxKind.ForStatement: |
|
948
|
|
|
case ts.SyntaxKind.IfStatement: |
|
949
|
|
|
case ts.SyntaxKind.DoStatement: |
|
950
|
|
|
case ts.SyntaxKind.WhileStatement: |
|
951
|
|
|
case ts.SyntaxKind.SwitchStatement: |
|
952
|
|
|
case ts.SyntaxKind.WithStatement: |
|
953
|
|
|
case ts.SyntaxKind.ThrowStatement: |
|
954
|
|
|
case ts.SyntaxKind.CallExpression: |
|
955
|
|
|
case ts.SyntaxKind.NewExpression: |
|
956
|
|
|
case ts.SyntaxKind.TaggedTemplateExpression: |
|
957
|
|
|
case ts.SyntaxKind.JsxExpression: |
|
958
|
|
|
case ts.SyntaxKind.Decorator: |
|
959
|
|
|
case ts.SyntaxKind.TemplateSpan: |
|
960
|
|
|
case ts.SyntaxKind.JsxOpeningElement: |
|
961
|
|
|
case ts.SyntaxKind.JsxSelfClosingElement: |
|
962
|
|
|
case ts.SyntaxKind.JsxSpreadAttribute: |
|
963
|
|
|
case ts.SyntaxKind.VoidExpression: |
|
964
|
|
|
case ts.SyntaxKind.ReturnStatement: |
|
965
|
|
|
case ts.SyntaxKind.AwaitExpression: |
|
966
|
|
|
case ts.SyntaxKind.YieldExpression: |
|
967
|
|
|
case ts.SyntaxKind.ConditionalExpression: |
|
968
|
|
|
case ts.SyntaxKind.CaseClause: |
|
969
|
|
|
case ts.SyntaxKind.JsxElement: |
|
970
|
|
|
return 1; |
|
971
|
|
|
case ts.SyntaxKind.ArrowFunction: |
|
972
|
|
|
return parent.body === node |
|
973
|
|
|
? 1 |
|
974
|
|
|
: 2; |
|
975
|
|
|
case ts.SyntaxKind.PropertyDeclaration: |
|
976
|
|
|
case ts.SyntaxKind.VariableDeclaration: |
|
977
|
|
|
case ts.SyntaxKind.Parameter: |
|
978
|
|
|
case ts.SyntaxKind.EnumMember: |
|
979
|
|
|
case ts.SyntaxKind.BindingElement: |
|
980
|
|
|
case ts.SyntaxKind.JsxAttribute: |
|
981
|
|
|
return parent.initializer === node |
|
982
|
|
|
? 1 |
|
983
|
|
|
: 0; |
|
984
|
|
|
case ts.SyntaxKind.PropertyAccessExpression: |
|
985
|
|
|
return parent.expression === node |
|
986
|
|
|
? 1 |
|
987
|
|
|
: 0; |
|
988
|
|
|
case ts.SyntaxKind.ExportAssignment: |
|
989
|
|
|
return parent.isExportEquals |
|
990
|
|
|
? 1 |
|
991
|
|
|
: 0; |
|
992
|
|
|
} |
|
993
|
|
|
return 0; |
|
994
|
|
|
} |
|
995
|
|
|
exports.getAccessKind = getAccessKind; |
|
996
|
|
|
function isReassignmentTarget(node) { |
|
997
|
|
|
return (getAccessKind(node) & 2) !== 0; |
|
998
|
|
|
} |
|
999
|
|
|
exports.isReassignmentTarget = isReassignmentTarget; |
|
1000
|
|
|
function canHaveJsDoc(node) { |
|
1001
|
|
|
const kind = node.kind; |
|
1002
|
|
|
switch (kind) { |
|
1003
|
|
|
case ts.SyntaxKind.Parameter: |
|
1004
|
|
|
case ts.SyntaxKind.CallSignature: |
|
1005
|
|
|
case ts.SyntaxKind.ConstructSignature: |
|
1006
|
|
|
case ts.SyntaxKind.MethodSignature: |
|
1007
|
|
|
case ts.SyntaxKind.PropertySignature: |
|
1008
|
|
|
case ts.SyntaxKind.ArrowFunction: |
|
1009
|
|
|
case ts.SyntaxKind.ParenthesizedExpression: |
|
1010
|
|
|
case ts.SyntaxKind.SpreadAssignment: |
|
1011
|
|
|
case ts.SyntaxKind.ShorthandPropertyAssignment: |
|
1012
|
|
|
case ts.SyntaxKind.PropertyAssignment: |
|
1013
|
|
|
case ts.SyntaxKind.FunctionExpression: |
|
1014
|
|
|
case ts.SyntaxKind.FunctionDeclaration: |
|
1015
|
|
|
case ts.SyntaxKind.LabeledStatement: |
|
1016
|
|
|
case ts.SyntaxKind.ExpressionStatement: |
|
1017
|
|
|
case ts.SyntaxKind.VariableStatement: |
|
1018
|
|
|
case ts.SyntaxKind.Constructor: |
|
1019
|
|
|
case ts.SyntaxKind.MethodDeclaration: |
|
1020
|
|
|
case ts.SyntaxKind.PropertyDeclaration: |
|
1021
|
|
|
case ts.SyntaxKind.GetAccessor: |
|
1022
|
|
|
case ts.SyntaxKind.SetAccessor: |
|
1023
|
|
|
case ts.SyntaxKind.ClassDeclaration: |
|
1024
|
|
|
case ts.SyntaxKind.ClassExpression: |
|
1025
|
|
|
case ts.SyntaxKind.InterfaceDeclaration: |
|
1026
|
|
|
case ts.SyntaxKind.TypeAliasDeclaration: |
|
1027
|
|
|
case ts.SyntaxKind.EnumMember: |
|
1028
|
|
|
case ts.SyntaxKind.EnumDeclaration: |
|
1029
|
|
|
case ts.SyntaxKind.ModuleDeclaration: |
|
1030
|
|
|
case ts.SyntaxKind.ImportEqualsDeclaration: |
|
1031
|
|
|
case ts.SyntaxKind.IndexSignature: |
|
1032
|
|
|
case ts.SyntaxKind.FunctionType: |
|
1033
|
|
|
case ts.SyntaxKind.ConstructorType: |
|
1034
|
|
|
case ts.SyntaxKind.JSDocFunctionType: |
|
1035
|
|
|
case ts.SyntaxKind.EndOfFileToken: |
|
1036
|
|
|
case ts.SyntaxKind.ExportDeclaration: |
|
1037
|
|
|
return true; |
|
1038
|
|
|
default: |
|
1039
|
|
|
return false; |
|
1040
|
|
|
} |
|
1041
|
|
|
} |
|
1042
|
|
|
exports.canHaveJsDoc = canHaveJsDoc; |
|
1043
|
|
|
function getJsDoc(node, sourceFile) { |
|
1044
|
|
|
if (node.kind === ts.SyntaxKind.EndOfFileToken) |
|
1045
|
|
|
return parseJsDocWorker(node, sourceFile || node.parent); |
|
1046
|
|
|
const result = []; |
|
1047
|
|
|
for (const child of node.getChildren(sourceFile)) { |
|
1048
|
|
|
if (!node_1.isJsDoc(child)) |
|
1049
|
|
|
break; |
|
1050
|
|
|
result.push(child); |
|
1051
|
|
|
} |
|
1052
|
|
|
return result; |
|
1053
|
|
|
} |
|
1054
|
|
|
exports.getJsDoc = getJsDoc; |
|
1055
|
|
|
function parseJsDocOfNode(node, considerTrailingComments, sourceFile = node.getSourceFile()) { |
|
1056
|
|
|
if (canHaveJsDoc(node) && node.kind !== ts.SyntaxKind.EndOfFileToken) { |
|
1057
|
|
|
const result = getJsDoc(node, sourceFile); |
|
1058
|
|
|
if (result.length !== 0 || !considerTrailingComments) |
|
1059
|
|
|
return result; |
|
1060
|
|
|
} |
|
1061
|
|
|
return parseJsDocWorker(node, sourceFile, considerTrailingComments); |
|
1062
|
|
|
} |
|
1063
|
|
|
exports.parseJsDocOfNode = parseJsDocOfNode; |
|
1064
|
|
|
function parseJsDocWorker(node, sourceFile, considerTrailingComments) { |
|
1065
|
|
|
const nodeStart = node.getStart(sourceFile); |
|
1066
|
|
|
const start = ts[considerTrailingComments && isSameLine(sourceFile, node.pos, nodeStart) |
|
1067
|
|
|
? 'forEachTrailingCommentRange' |
|
1068
|
|
|
: 'forEachLeadingCommentRange'](sourceFile.text, node.pos, (pos, _end, kind) => kind === ts.SyntaxKind.MultiLineCommentTrivia && sourceFile.text[pos + 2] === '*' ? { pos } : undefined); |
|
1069
|
|
|
if (start === undefined) |
|
1070
|
|
|
return []; |
|
1071
|
|
|
const startPos = start.pos; |
|
1072
|
|
|
const text = sourceFile.text.slice(startPos, nodeStart); |
|
1073
|
|
|
const newSourceFile = ts.createSourceFile('jsdoc.ts', `${text}var a;`, sourceFile.languageVersion); |
|
1074
|
|
|
const result = getJsDoc(newSourceFile.statements[0], newSourceFile); |
|
1075
|
|
|
for (const doc of result) |
|
1076
|
|
|
updateNode(doc, node); |
|
1077
|
|
|
return result; |
|
1078
|
|
|
function updateNode(n, parent) { |
|
1079
|
|
|
n.pos += startPos; |
|
1080
|
|
|
n.end += startPos; |
|
1081
|
|
|
n.parent = parent; |
|
1082
|
|
|
return ts.forEachChild(n, (child) => updateNode(child, n), (children) => { |
|
1083
|
|
|
children.pos += startPos; |
|
1084
|
|
|
children.end += startPos; |
|
1085
|
|
|
for (const child of children) |
|
1086
|
|
|
updateNode(child, n); |
|
1087
|
|
|
}); |
|
1088
|
|
|
} |
|
1089
|
|
|
} |
|
1090
|
|
|
var ImportKind; |
|
1091
|
|
|
(function (ImportKind) { |
|
1092
|
|
|
ImportKind[ImportKind["ImportDeclaration"] = 1] = "ImportDeclaration"; |
|
1093
|
|
|
ImportKind[ImportKind["ImportEquals"] = 2] = "ImportEquals"; |
|
1094
|
|
|
ImportKind[ImportKind["ExportFrom"] = 4] = "ExportFrom"; |
|
1095
|
|
|
ImportKind[ImportKind["DynamicImport"] = 8] = "DynamicImport"; |
|
1096
|
|
|
ImportKind[ImportKind["Require"] = 16] = "Require"; |
|
1097
|
|
|
ImportKind[ImportKind["ImportType"] = 32] = "ImportType"; |
|
1098
|
|
|
ImportKind[ImportKind["All"] = 63] = "All"; |
|
1099
|
|
|
ImportKind[ImportKind["AllImports"] = 59] = "AllImports"; |
|
1100
|
|
|
ImportKind[ImportKind["AllStaticImports"] = 3] = "AllStaticImports"; |
|
1101
|
|
|
ImportKind[ImportKind["AllImportExpressions"] = 24] = "AllImportExpressions"; |
|
1102
|
|
|
ImportKind[ImportKind["AllRequireLike"] = 18] = "AllRequireLike"; |
|
1103
|
|
|
ImportKind[ImportKind["AllNestedImports"] = 56] = "AllNestedImports"; |
|
1104
|
|
|
ImportKind[ImportKind["AllTopLevelImports"] = 7] = "AllTopLevelImports"; |
|
1105
|
|
|
})(ImportKind = exports.ImportKind || (exports.ImportKind = {})); |
|
1106
|
|
|
function findImports(sourceFile, kinds) { |
|
1107
|
|
|
const result = []; |
|
1108
|
|
|
for (const node of findImportLikeNodes(sourceFile, kinds)) { |
|
1109
|
|
|
switch (node.kind) { |
|
1110
|
|
|
case ts.SyntaxKind.ImportDeclaration: |
|
1111
|
|
|
addIfTextualLiteral(node.moduleSpecifier); |
|
1112
|
|
|
break; |
|
1113
|
|
|
case ts.SyntaxKind.ImportEqualsDeclaration: |
|
1114
|
|
|
addIfTextualLiteral(node.moduleReference.expression); |
|
1115
|
|
|
break; |
|
1116
|
|
|
case ts.SyntaxKind.ExportDeclaration: |
|
1117
|
|
|
addIfTextualLiteral(node.moduleSpecifier); |
|
1118
|
|
|
break; |
|
1119
|
|
|
case ts.SyntaxKind.CallExpression: |
|
1120
|
|
|
addIfTextualLiteral(node.arguments[0]); |
|
1121
|
|
|
break; |
|
1122
|
|
|
case ts.SyntaxKind.ImportType: |
|
1123
|
|
|
if (node_1.isLiteralTypeNode(node.argument)) |
|
1124
|
|
|
addIfTextualLiteral(node.argument.literal); |
|
1125
|
|
|
break; |
|
1126
|
|
|
default: |
|
1127
|
|
|
throw new Error('unexpected node'); |
|
1128
|
|
|
} |
|
1129
|
|
|
} |
|
1130
|
|
|
return result; |
|
1131
|
|
|
function addIfTextualLiteral(node) { |
|
1132
|
|
|
if (node_1.isTextualLiteral(node)) |
|
1133
|
|
|
result.push(node); |
|
1134
|
|
|
} |
|
1135
|
|
|
} |
|
1136
|
|
|
exports.findImports = findImports; |
|
1137
|
|
|
function findImportLikeNodes(sourceFile, kinds) { |
|
1138
|
|
|
return new ImportFinder(sourceFile, kinds).find(); |
|
1139
|
|
|
} |
|
1140
|
|
|
exports.findImportLikeNodes = findImportLikeNodes; |
|
1141
|
|
|
class ImportFinder { |
|
1142
|
|
|
constructor(_sourceFile, _options) { |
|
1143
|
|
|
this._sourceFile = _sourceFile; |
|
1144
|
|
|
this._options = _options; |
|
1145
|
|
|
this._result = []; |
|
1146
|
|
|
} |
|
1147
|
|
|
find() { |
|
1148
|
|
|
if (this._sourceFile.isDeclarationFile) |
|
1149
|
|
|
this._options &= ~24; |
|
1150
|
|
|
if (this._options & 7) |
|
1151
|
|
|
this._findImports(this._sourceFile.statements); |
|
1152
|
|
|
if (this._options & 56) |
|
1153
|
|
|
this._findNestedImports(); |
|
1154
|
|
|
return this._result; |
|
1155
|
|
|
} |
|
1156
|
|
|
_findImports(statements) { |
|
1157
|
|
|
for (const statement of statements) { |
|
1158
|
|
|
if (node_1.isImportDeclaration(statement)) { |
|
1159
|
|
|
if (this._options & 1) |
|
1160
|
|
|
this._result.push(statement); |
|
1161
|
|
|
} |
|
1162
|
|
|
else if (node_1.isImportEqualsDeclaration(statement)) { |
|
1163
|
|
|
if (this._options & 2 && |
|
1164
|
|
|
statement.moduleReference.kind === ts.SyntaxKind.ExternalModuleReference) |
|
1165
|
|
|
this._result.push(statement); |
|
1166
|
|
|
} |
|
1167
|
|
|
else if (node_1.isExportDeclaration(statement)) { |
|
1168
|
|
|
if (statement.moduleSpecifier !== undefined && this._options & 4) |
|
1169
|
|
|
this._result.push(statement); |
|
1170
|
|
|
} |
|
1171
|
|
|
else if (node_1.isModuleDeclaration(statement)) { |
|
1172
|
|
|
this._findImportsInModule(statement); |
|
1173
|
|
|
} |
|
1174
|
|
|
} |
|
1175
|
|
|
} |
|
1176
|
|
|
_findImportsInModule(declaration) { |
|
1177
|
|
|
if (declaration.body === undefined) |
|
1178
|
|
|
return; |
|
1179
|
|
|
if (declaration.body.kind === ts.SyntaxKind.ModuleDeclaration) |
|
1180
|
|
|
return this._findImportsInModule(declaration.body); |
|
1181
|
|
|
this._findImports(declaration.body.statements); |
|
1182
|
|
|
} |
|
1183
|
|
|
_findNestedImports() { |
|
1184
|
|
|
let re; |
|
1185
|
|
|
if ((this._options & 56) === 16) { |
|
1186
|
|
|
re = /\brequire\s*[</(]/g; |
|
1187
|
|
|
} |
|
1188
|
|
|
else if (this._options & 16) { |
|
1189
|
|
|
re = /\b(?:import|require)\s*[</(]/g; |
|
1190
|
|
|
} |
|
1191
|
|
|
else { |
|
1192
|
|
|
re = /\bimport\s*[</(]/g; |
|
1193
|
|
|
} |
|
1194
|
|
|
const isJavaScriptFile = (this._sourceFile.flags & ts.NodeFlags.JavaScriptFile) !== 0; |
|
1195
|
|
|
for (let match = re.exec(this._sourceFile.text); match !== null; match = re.exec(this._sourceFile.text)) { |
|
1196
|
|
|
const token = getTokenAtPositionWorker(this._sourceFile, match.index, this._sourceFile, match[0][0] === 'i' && isJavaScriptFile); |
|
1197
|
|
|
if (token.kind === ts.SyntaxKind.ImportKeyword) { |
|
1198
|
|
|
if (token.end - 'import'.length !== match.index) |
|
1199
|
|
|
continue; |
|
1200
|
|
|
switch (token.parent.kind) { |
|
1201
|
|
|
case ts.SyntaxKind.ImportType: |
|
1202
|
|
|
this._result.push(token.parent); |
|
1203
|
|
|
break; |
|
1204
|
|
|
case ts.SyntaxKind.CallExpression: |
|
1205
|
|
|
if (token.parent.arguments.length === 1) |
|
1206
|
|
|
this._result.push(token.parent); |
|
1207
|
|
|
} |
|
1208
|
|
|
} |
|
1209
|
|
|
else if (token.kind === ts.SyntaxKind.Identifier && |
|
1210
|
|
|
token.end - 'require'.length === match.index && |
|
1211
|
|
|
token.parent.kind === ts.SyntaxKind.CallExpression && |
|
1212
|
|
|
token.parent.expression === token && |
|
1213
|
|
|
token.parent.arguments.length === 1) { |
|
1214
|
|
|
this._result.push(token.parent); |
|
1215
|
|
|
} |
|
1216
|
|
|
} |
|
1217
|
|
|
} |
|
1218
|
|
|
} |
|
1219
|
|
|
function isStatementInAmbientContext(node) { |
|
1220
|
|
|
while (node.flags & ts.NodeFlags.NestedNamespace) |
|
1221
|
|
|
node = node.parent; |
|
1222
|
|
|
return hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword) || isAmbientModuleBlock(node.parent); |
|
1223
|
|
|
} |
|
1224
|
|
|
exports.isStatementInAmbientContext = isStatementInAmbientContext; |
|
1225
|
|
|
function isAmbientModuleBlock(node) { |
|
1226
|
|
|
while (node.kind === ts.SyntaxKind.ModuleBlock) { |
|
1227
|
|
|
do |
|
1228
|
|
|
node = node.parent; |
|
1229
|
|
|
while (node.flags & ts.NodeFlags.NestedNamespace); |
|
1230
|
|
|
if (hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword)) |
|
1231
|
|
|
return true; |
|
1232
|
|
|
node = node.parent; |
|
1233
|
|
|
} |
|
1234
|
|
|
return false; |
|
1235
|
|
|
} |
|
1236
|
|
|
exports.isAmbientModuleBlock = isAmbientModuleBlock; |
|
1237
|
|
|
function getIIFE(func) { |
|
1238
|
|
|
let node = func.parent; |
|
1239
|
|
|
while (node.kind === ts.SyntaxKind.ParenthesizedExpression) |
|
1240
|
|
|
node = node.parent; |
|
1241
|
|
|
return node_1.isCallExpression(node) && func.end <= node.expression.end ? node : undefined; |
|
1242
|
|
|
} |
|
1243
|
|
|
exports.getIIFE = getIIFE; |
|
1244
|
|
|
function isStrictCompilerOptionEnabled(options, option) { |
|
1245
|
|
|
return (options.strict ? options[option] !== false : options[option] === true) && |
|
1246
|
|
|
(option !== 'strictPropertyInitialization' || isStrictCompilerOptionEnabled(options, 'strictNullChecks')); |
|
1247
|
|
|
} |
|
1248
|
|
|
exports.isStrictCompilerOptionEnabled = isStrictCompilerOptionEnabled; |
|
1249
|
|
|
function isCompilerOptionEnabled(options, option) { |
|
1250
|
|
|
switch (option) { |
|
1251
|
|
|
case 'stripInternal': |
|
1252
|
|
|
return options.stripInternal === true && isCompilerOptionEnabled(options, 'declaration'); |
|
1253
|
|
|
case 'declaration': |
|
1254
|
|
|
return options.declaration || isCompilerOptionEnabled(options, 'composite'); |
|
1255
|
|
|
case 'incremental': |
|
1256
|
|
|
return options.incremental === undefined ? isCompilerOptionEnabled(options, 'composite') : options.incremental; |
|
1257
|
|
|
case 'skipDefaultLibCheck': |
|
1258
|
|
|
return options.skipDefaultLibCheck || isCompilerOptionEnabled(options, 'skipLibCheck'); |
|
1259
|
|
|
case 'suppressImplicitAnyIndexErrors': |
|
1260
|
|
|
return options.suppressImplicitAnyIndexErrors === true && isCompilerOptionEnabled(options, 'noImplicitAny'); |
|
1261
|
|
|
case 'allowSyntheticDefaultImports': |
|
1262
|
|
|
return options.allowSyntheticDefaultImports !== undefined |
|
1263
|
|
|
? options.allowSyntheticDefaultImports |
|
1264
|
|
|
: isCompilerOptionEnabled(options, 'esModuleInterop') || options.module === ts.ModuleKind.System; |
|
1265
|
|
|
case 'noImplicitAny': |
|
1266
|
|
|
case 'noImplicitThis': |
|
1267
|
|
|
case 'strictNullChecks': |
|
1268
|
|
|
case 'strictFunctionTypes': |
|
1269
|
|
|
case 'strictPropertyInitialization': |
|
1270
|
|
|
case 'alwaysStrict': |
|
1271
|
|
|
case 'strictBindCallApply': |
|
1272
|
|
|
return isStrictCompilerOptionEnabled(options, option); |
|
1273
|
|
|
} |
|
1274
|
|
|
return options[option] === true; |
|
1275
|
|
|
} |
|
1276
|
|
|
exports.isCompilerOptionEnabled = isCompilerOptionEnabled; |
|
1277
|
|
|
function isAmbientModule(node) { |
|
1278
|
|
|
return node.name.kind === ts.SyntaxKind.StringLiteral || (node.flags & ts.NodeFlags.GlobalAugmentation) !== 0; |
|
1279
|
|
|
} |
|
1280
|
|
|
exports.isAmbientModule = isAmbientModule; |
|
1281
|
|
|
function getCheckJsDirective(source) { |
|
1282
|
|
|
let directive; |
|
1283
|
|
|
ts.forEachLeadingCommentRange(source, (ts.getShebang(source) || '').length, (pos, end, kind) => { |
|
1284
|
|
|
if (kind === ts.SyntaxKind.SingleLineCommentTrivia) { |
|
1285
|
|
|
const text = source.slice(pos, end); |
|
1286
|
|
|
const match = /^\/{2,3}\s*@ts-(no)?check(?:\s|$)/i.exec(text); |
|
1287
|
|
|
if (match !== null) |
|
1288
|
|
|
directive = { pos, end, enabled: match[1] === undefined }; |
|
1289
|
|
|
} |
|
1290
|
|
|
}); |
|
1291
|
|
|
return directive; |
|
1292
|
|
|
} |
|
1293
|
|
|
exports.getCheckJsDirective = getCheckJsDirective; |
|
1294
|
|
|
function isConstAssertion(node) { |
|
1295
|
|
|
return node_1.isTypeReferenceNode(node.type) && |
|
1296
|
|
|
node.type.typeName.kind === ts.SyntaxKind.Identifier && |
|
1297
|
|
|
node.type.typeName.escapedText === 'const'; |
|
1298
|
|
|
} |
|
1299
|
|
|
exports.isConstAssertion = isConstAssertion; |
|
1300
|
|
|
function isInConstContext(node) { |
|
1301
|
|
|
let current = node; |
|
1302
|
|
|
while (true) { |
|
1303
|
|
|
const parent = current.parent; |
|
1304
|
|
|
outer: switch (parent.kind) { |
|
1305
|
|
|
case ts.SyntaxKind.TypeAssertionExpression: |
|
1306
|
|
|
case ts.SyntaxKind.AsExpression: |
|
1307
|
|
|
return isConstAssertion(parent); |
|
1308
|
|
|
case ts.SyntaxKind.PrefixUnaryExpression: |
|
1309
|
|
|
if (current.kind !== ts.SyntaxKind.NumericLiteral) |
|
1310
|
|
|
return false; |
|
1311
|
|
|
switch (parent.operator) { |
|
1312
|
|
|
case ts.SyntaxKind.PlusToken: |
|
1313
|
|
|
case ts.SyntaxKind.MinusToken: |
|
1314
|
|
|
current = parent; |
|
1315
|
|
|
break outer; |
|
1316
|
|
|
default: |
|
1317
|
|
|
return false; |
|
1318
|
|
|
} |
|
1319
|
|
|
case ts.SyntaxKind.PropertyAssignment: |
|
1320
|
|
|
if (parent.initializer !== current) |
|
1321
|
|
|
return false; |
|
1322
|
|
|
current = parent.parent; |
|
1323
|
|
|
break; |
|
1324
|
|
|
case ts.SyntaxKind.ShorthandPropertyAssignment: |
|
1325
|
|
|
current = parent.parent; |
|
1326
|
|
|
break; |
|
1327
|
|
|
case ts.SyntaxKind.ParenthesizedExpression: |
|
1328
|
|
|
case ts.SyntaxKind.ArrayLiteralExpression: |
|
1329
|
|
|
case ts.SyntaxKind.ObjectLiteralExpression: |
|
1330
|
|
|
current = parent; |
|
1331
|
|
|
break; |
|
1332
|
|
|
default: |
|
1333
|
|
|
return false; |
|
1334
|
|
|
} |
|
1335
|
|
|
} |
|
1336
|
|
|
} |
|
1337
|
|
|
exports.isInConstContext = isInConstContext; |
|
1338
|
|
|
function isReadonlyAssignmentDeclaration(node, checker) { |
|
1339
|
|
|
if (!isBindableObjectDefinePropertyCall(node)) |
|
1340
|
|
|
return false; |
|
1341
|
|
|
const descriptorType = checker.getTypeAtLocation(node.arguments[2]); |
|
1342
|
|
|
if (descriptorType.getProperty('value') === undefined) |
|
1343
|
|
|
return descriptorType.getProperty('set') === undefined; |
|
1344
|
|
|
const writableProp = descriptorType.getProperty('writable'); |
|
1345
|
|
|
if (writableProp === undefined) |
|
1346
|
|
|
return false; |
|
1347
|
|
|
const writableType = writableProp.valueDeclaration !== undefined && node_1.isPropertyAssignment(writableProp.valueDeclaration) |
|
1348
|
|
|
? checker.getTypeAtLocation(writableProp.valueDeclaration.initializer) |
|
1349
|
|
|
: checker.getTypeOfSymbolAtLocation(writableProp, node.arguments[2]); |
|
1350
|
|
|
return type_1.isBooleanLiteralType(writableType, false); |
|
1351
|
|
|
} |
|
1352
|
|
|
exports.isReadonlyAssignmentDeclaration = isReadonlyAssignmentDeclaration; |
|
1353
|
|
|
function isBindableObjectDefinePropertyCall(node) { |
|
1354
|
|
|
return node.arguments.length === 3 && |
|
1355
|
|
|
node_1.isEntityNameExpression(node.arguments[0]) && |
|
1356
|
|
|
node_1.isNumericOrStringLikeLiteral(node.arguments[1]) && |
|
1357
|
|
|
node_1.isPropertyAccessExpression(node.expression) && |
|
1358
|
|
|
node.expression.name.escapedText === 'defineProperty' && |
|
1359
|
|
|
node_1.isIdentifier(node.expression.expression) && |
|
1360
|
|
|
node.expression.expression.escapedText === 'Object'; |
|
1361
|
|
|
} |
|
1362
|
|
|
exports.isBindableObjectDefinePropertyCall = isBindableObjectDefinePropertyCall; |
|
1363
|
|
|
function isWellKnownSymbolLiterally(node) { |
|
1364
|
|
|
return ts.isPropertyAccessExpression(node) && |
|
1365
|
|
|
ts.isIdentifier(node.expression) && |
|
1366
|
|
|
node.expression.escapedText === 'Symbol'; |
|
1367
|
|
|
} |
|
1368
|
|
|
exports.isWellKnownSymbolLiterally = isWellKnownSymbolLiterally; |
|
1369
|
|
|
function getPropertyNameOfWellKnownSymbol(node) { |
|
1370
|
|
|
return { |
|
1371
|
|
|
displayName: `[Symbol.${node.name.text}]`, |
|
1372
|
|
|
symbolName: ('__@' + node.name.text), |
|
1373
|
|
|
}; |
|
1374
|
|
|
} |
|
1375
|
|
|
exports.getPropertyNameOfWellKnownSymbol = getPropertyNameOfWellKnownSymbol; |
|
1376
|
|
|
function getLateBoundPropertyNames(node, checker) { |
|
1377
|
|
|
const result = { |
|
1378
|
|
|
known: true, |
|
1379
|
|
|
names: [], |
|
1380
|
|
|
}; |
|
1381
|
|
|
node = unwrapParentheses(node); |
|
1382
|
|
|
if (isWellKnownSymbolLiterally(node)) { |
|
1383
|
|
|
result.names.push(getPropertyNameOfWellKnownSymbol(node)); |
|
1384
|
|
|
} |
|
1385
|
|
|
else { |
|
1386
|
|
|
const type = checker.getTypeAtLocation(node); |
|
1387
|
|
|
for (const key of type_1.unionTypeParts(checker.getBaseConstraintOfType(type) || type)) { |
|
1388
|
|
|
const propertyName = type_1.getPropertyNameFromType(key); |
|
1389
|
|
|
if (propertyName) { |
|
1390
|
|
|
result.names.push(propertyName); |
|
1391
|
|
|
} |
|
1392
|
|
|
else { |
|
1393
|
|
|
result.known = false; |
|
1394
|
|
|
} |
|
1395
|
|
|
} |
|
1396
|
|
|
} |
|
1397
|
|
|
return result; |
|
1398
|
|
|
} |
|
1399
|
|
|
exports.getLateBoundPropertyNames = getLateBoundPropertyNames; |
|
1400
|
|
|
function getLateBoundPropertyNamesOfPropertyName(node, checker) { |
|
1401
|
|
|
const staticName = getPropertyName(node); |
|
1402
|
|
|
return staticName !== undefined |
|
1403
|
|
|
? { known: true, names: [{ displayName: staticName, symbolName: ts.escapeLeadingUnderscores(staticName) }] } |
|
1404
|
|
|
: getLateBoundPropertyNames(node.expression, checker); |
|
1405
|
|
|
} |
|
1406
|
|
|
exports.getLateBoundPropertyNamesOfPropertyName = getLateBoundPropertyNamesOfPropertyName; |
|
1407
|
|
|
function getSingleLateBoundPropertyNameOfPropertyName(node, checker) { |
|
1408
|
|
|
const staticName = getPropertyName(node); |
|
1409
|
|
|
if (staticName !== undefined) |
|
1410
|
|
|
return { displayName: staticName, symbolName: ts.escapeLeadingUnderscores(staticName) }; |
|
1411
|
|
|
const { expression } = node; |
|
1412
|
|
|
return isWellKnownSymbolLiterally(expression) |
|
1413
|
|
|
? getPropertyNameOfWellKnownSymbol(expression) |
|
1414
|
|
|
: type_1.getPropertyNameFromType(checker.getTypeAtLocation(expression)); |
|
1415
|
|
|
} |
|
1416
|
|
|
exports.getSingleLateBoundPropertyNameOfPropertyName = getSingleLateBoundPropertyNameOfPropertyName; |
|
1417
|
|
|
function unwrapParentheses(node) { |
|
1418
|
|
|
while (node.kind === ts.SyntaxKind.ParenthesizedExpression) |
|
1419
|
|
|
node = node.expression; |
|
1420
|
|
|
return node; |
|
1421
|
|
|
} |
|
1422
|
|
|
exports.unwrapParentheses = unwrapParentheses; |
|
1423
|
|
|
|
JohanLe /
me-app
