110 lines
2.4 KiB
JavaScript
110 lines
2.4 KiB
JavaScript
/*
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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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const Source = require("./Source");
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const { SourceNode } = require("source-map");
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const { SourceListMap } = require("source-list-map");
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const { getSourceAndMap, getMap } = require("./helpers");
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const SPLIT_REGEX = /(?!$)[^\n\r;{}]*[\n\r;{}]*/g;
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function _splitCode(code) {
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return code.match(SPLIT_REGEX) || [];
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}
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class OriginalSource extends Source {
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constructor(value, name) {
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super();
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const isBuffer = Buffer.isBuffer(value);
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this._value = isBuffer ? undefined : value;
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this._valueAsBuffer = isBuffer ? value : undefined;
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this._name = name;
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}
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getName() {
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return this._name;
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}
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source() {
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if (this._value === undefined) {
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this._value = this._valueAsBuffer.toString("utf-8");
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}
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return this._value;
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}
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buffer() {
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if (this._valueAsBuffer === undefined) {
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this._valueAsBuffer = Buffer.from(this._value, "utf-8");
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}
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return this._valueAsBuffer;
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}
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map(options) {
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return getMap(this, options);
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}
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sourceAndMap(options) {
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return getSourceAndMap(this, options);
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}
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node(options) {
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if (this._value === undefined) {
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this._value = this._valueAsBuffer.toString("utf-8");
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}
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const value = this._value;
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const name = this._name;
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const lines = value.split("\n");
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const node = new SourceNode(
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null,
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null,
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null,
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lines.map(function (line, idx) {
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let pos = 0;
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if (options && options.columns === false) {
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const content = line + (idx !== lines.length - 1 ? "\n" : "");
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return new SourceNode(idx + 1, 0, name, content);
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}
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return new SourceNode(
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null,
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null,
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null,
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_splitCode(line + (idx !== lines.length - 1 ? "\n" : "")).map(
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function (item) {
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if (/^\s*$/.test(item)) {
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pos += item.length;
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return item;
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}
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const res = new SourceNode(idx + 1, pos, name, item);
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pos += item.length;
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return res;
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}
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)
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);
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})
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);
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node.setSourceContent(name, value);
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return node;
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}
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listMap(options) {
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if (this._value === undefined) {
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this._value = this._valueAsBuffer.toString("utf-8");
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}
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return new SourceListMap(this._value, this._name, this._value);
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}
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updateHash(hash) {
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if (this._valueAsBuffer === undefined) {
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this._valueAsBuffer = Buffer.from(this._value, "utf-8");
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}
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hash.update("OriginalSource");
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hash.update(this._valueAsBuffer);
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hash.update(this._name || "");
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}
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}
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module.exports = OriginalSource;
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