mirror of https://github.com/webpack/webpack.git
41 lines
977 B
JavaScript
41 lines
977 B
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var Source = require("webpack-core/lib/Source");
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function ReplaceSource(source) {
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Source.call(this);
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this._source = source;
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this.replacements = [];
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}
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module.exports = ReplaceSource;
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ReplaceSource.prototype = Object.create(Source.prototype);
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ReplaceSource.prototype.replace = function(start, end, newValue) {
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this.replacements.push([start, end, newValue]);
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};
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ReplaceSource.prototype.insert = function(pos, newValue) {
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this.replacements.push([pos, pos-1, newValue]);
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};
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ReplaceSource.prototype._bake = function() {
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this.replacements.sort(function(a, b) {
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return b[0] - a[0];
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});
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var result = [this._source.source()];
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this.replacements.forEach(function(repl) {
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var remSource = result.pop();
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result.push(
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remSource.substr(repl[1]+1),
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repl[2],
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remSource.substr(0, repl[0])
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);
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});
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result = result.reverse().join("");
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return {
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source: result
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}
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};
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