nightfury7 / universalbasics.js

src/ub.strings.find.substring.js

/** global: UB */

var stringFuncs = {

	
	// other search functions
	after: function(find, returnAll = true, inclusive = false, startAt = 0, forward = true){

This code seems to be duplicated in your project.

		var text = this.toString();
		if (text == null) { return returnAll ? text : ''; }
		if (text.length === 0) {
			return text;
		}
		if (!forward) {
			var idx = text.lastIndexOf(find, startAt);
		}else {
			idx = text.indexOf(find, startAt);
		}
		if (idx === -1) { return returnAll ? text : ''; }
		if (!inclusive) {
			idx += find.length;
		}
		return text.substr(idx);
	},
	before: function(find, returnAll = true, inclusive = false, startAt = 0, forward = true){

This code seems to be duplicated in your project.

		var text = this.toString();
		if (text == null) { return returnAll ? text : ''; }
		if (text.length === 0) {
			return text;
		}
		if (forward) {
			var idx = text.indexOf(find, startAt);
		}else {
			idx = text.lastIndexOf(find, startAt);
		}
		if (idx === -1) { return returnAll ? text : ''; }
		if (inclusive) {
			idx += find.length;
		}
		return text.substr(0, idx);
	},
	
	afterIndex: function(index, inclusive){
		var text = this.toString();
		if (!inclusive) {
			index++;
		}
		if (index <= 0) {
			return text;
		}
		if (index >= text.length) {
			return "";
		}
		return text.substr(index);
	},
	beforeIndex: function(index, inclusive){
		var text = this.toString();
		if (inclusive) {
			index++;
		}
		if (index <= 0) {
			return "";
		}
		if (index >= text.length) {
			return text;
		}
		return text.substr(0, index);
	},
	
	afterFirst: function(find, returnAll = true){
		var text = this.toString();
		var idx = text.indexOf(find);
		if (idx === -1) { return returnAll ? text : ''; }
		idx += find.length;
		return text.substr(idx);
	},
	afterLast: function(find, returnAll = true){
		var text = this.toString();
		var idx = text.lastIndexOf(find);
		if (idx === -1) { return returnAll ? text : ''; }
		idx += find.length;
		return text.substr(idx);
	},
	afterNth: function(find, n, returnAll = true){
		var text = this.toString();
		if (n === 0) {
			return text;
		}
		var i = -2;
		var c = 0;
		while (i != -1) {
			i = text.indexOf(find, i < 0 ? 0 : (i + 1));
			c++;
			if (i > -1) {
				if (c == n) {
					return text.substr(i + find.length);
				}
			}
		}
		return returnAll ? text : '';
	},
	
	beforeFirst: function(find, returnAll = true){
		var text = this.toString();
		var idx = text.indexOf(find);
	        	if (idx === -1) { return returnAll ? text : ''; }
	        	return text.substr(0, idx);
	},
	beforeLast: function(find, returnAll = true){
		var text = this.toString();
		var idx = text.lastIndexOf(find);
	        	if (idx === -1) { return returnAll ? text : ''; }
	        	return text.substr(0, idx);
	},
	beforeNth: function(find, n, returnAll = true){
		var text = this.toString();
		if (n === 0) {
			return text;
		}
		var i = -2;
		var c = 0;
		while (i != -1) {
			i = text.indexOf(find, i < 0 ? 0 : (i + 1));
			c++;
			if (i > -1) {
				if (c == n) {
					return text.substring(0, i);
				}
			}
		}
		return returnAll ? text : '';
	},

	between: function(p_start, p_end, startAt = 0, forward = true, returnAll = true){
		var text = this.toString();
		if (text.length === 0) {
			return text;
		}
		if (forward) {
			var startIdx = text.indexOf(p_start, startAt);
		}else {
			startIdx = text.lastIndexOf(p_start, startAt);
		}
		if (startIdx != -1) {
			startIdx += p_start.length;
			var endIdx = text.indexOf(p_end, startIdx);
			if (endIdx != -1) {
				return text.substr(startIdx, endIdx - startIdx);
			}else if (returnAll) {
				return text;
			}
		}else if (returnAll) {
			return text;
		}
		return '';
	},
	betweenLast: function(p_start, p_end){
		var text = this.toString();
		return text.between(p_start, p_end, text.length, false);
	},
	betweenAll: function(textStart, textEnd, returnAll = true, returnAllSplitBy = "\n"){
		var text = this.toString();
	
		// return if blank
		var betweens = [];
		if (textStart.length === 0 || textEnd.length === 0) {
			return returnAll ? text.split(returnAllSplitBy) : betweens;
		}
	
		// per occurance of start marker
		var start = 0;
		while ((start = text.indexOf(textStart, start)) > -1) {
			start += textStart.length;
	
			// find end marker
			var end = text.indexOf(textEnd, start + 1);
			if (end === -1) {
				break;
			}
	
			// add text between start and end marker
			betweens.push(text.substr(start, end - start));
			start = end + 1;
		}
		return betweens;
	},
	

	none:null
};

// register funcs
UB.registerFuncs(String.prototype, stringFuncs);