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90 lines
1.8 KiB
90 lines
1.8 KiB
2 months ago
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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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"use strict";
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/**
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* @typedef {object} MapOptions
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* @property {boolean=} columns need columns?
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* @property {boolean=} module is module
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*/
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/**
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* @typedef {object} RawSourceMap
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* @property {number} version version
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* @property {string[]} sources sources
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* @property {string[]} names names
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* @property {string=} sourceRoot source root
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* @property {string[]=} sourcesContent sources content
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* @property {string} mappings mappings
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* @property {string} file file
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* @property {string=} debugId debug id
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* @property {number[]=} ignoreList ignore list
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*/
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/** @typedef {string | Buffer} SourceValue */
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/**
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* @typedef {object} SourceAndMap
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* @property {SourceValue} source source
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* @property {RawSourceMap | null} map map
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*/
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/**
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* @typedef {object} HashLike
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* @property {(data: string | Buffer, inputEncoding?: string) => HashLike} update make hash update
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* @property {(encoding?: string) => string | Buffer} digest get hash digest
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*/
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class Source {
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/**
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* @returns {SourceValue} source
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*/
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source() {
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throw new Error("Abstract");
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}
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buffer() {
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const source = this.source();
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if (Buffer.isBuffer(source)) return source;
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return Buffer.from(source, "utf8");
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}
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size() {
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return this.buffer().length;
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}
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/**
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* @param {MapOptions=} options map options
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* @returns {RawSourceMap | null} map
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*/
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// eslint-disable-next-line no-unused-vars
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map(options) {
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return null;
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}
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/**
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* @param {MapOptions=} options map options
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* @returns {SourceAndMap} source and map
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*/
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sourceAndMap(options) {
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return {
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source: this.source(),
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map: this.map(options),
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};
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}
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/**
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* @param {HashLike} hash hash
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* @returns {void}
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*/
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// eslint-disable-next-line no-unused-vars
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updateHash(hash) {
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throw new Error("Abstract");
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}
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}
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module.exports = Source;
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