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import { Tags, RawTags, WriteTags } from "./types/Tags" |
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import { FrameOptions } from "./definitions/FrameOptions" |
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import { convertWriteTagsToRawTags } from "./TagsConverters" |
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import * as ID3Util from "./ID3Util" |
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7
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export function updateTags(newTags: WriteTags, currentTags: Tags): RawTags { |
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const newRawTags = convertWriteTagsToRawTags(newTags) |
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const currentRawTags = currentTags.raw ?? {} |
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Object.keys(newRawTags).map(frameIdentifierString => { |
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const frameIdentifier = frameIdentifierString as keyof RawTags |
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const newFrame = newRawTags[frameIdentifier] |
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const updatedFrame = updateFrameIfMultiple( |
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ID3Util.getSpecOptions(frameIdentifier), |
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newFrame, |
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currentRawTags[frameIdentifier] |
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) |
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// eslint-disable-next-line |
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currentRawTags[frameIdentifier] = (updatedFrame || newFrame) as any |
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}) |
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return currentRawTags |
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} |
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function updateFrameIfMultiple( |
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options: FrameOptions, |
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newTag: RawTags[keyof RawTags], |
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currentTag: RawTags[keyof RawTags], |
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) { |
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if ( |
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!options.multiple || |
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!newTag || |
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!currentTag || |
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!Array.isArray(currentTag) |
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) { |
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return null |
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} |
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const newTagArray = newTag instanceof Array ? newTag : [newTag] |
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const compareKey = options.updateCompareKey |
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if (!compareKey) { |
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return [...currentTag, ...newTagArray] |
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} |
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const compareValueToFrameIndex: Record<string, number> = {} |
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currentTag.forEach((tag, index) => { |
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if (typeof tag === "object") { |
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const compareValue = tag[compareKey as keyof typeof tag] |
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compareValueToFrameIndex[compareValue] = index |
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} |
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}) |
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newTagArray.forEach((tagValue) => { |
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// eslint-disable-next-line |
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const assignableTagValue = tagValue as any |
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if ( |
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typeof tagValue === "object" && |
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tagValue[compareKey as keyof typeof tagValue] in compareValueToFrameIndex |
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) { |
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const tagProperty = tagValue[compareKey as keyof typeof tagValue] |
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const frameIndex = compareValueToFrameIndex[tagProperty] |
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currentTag[frameIndex] = assignableTagValue |
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} else { |
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currentTag.push(assignableTagValue) |
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} |
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}) |
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return currentTag |
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} |
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Zazama /
node-id3
