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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/webpack-sources/lib/PrefixSource.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip
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Diffstat (limited to 'node_modules/webpack-sources/lib/PrefixSource.js')
-rw-r--r--node_modules/webpack-sources/lib/PrefixSource.js76
1 files changed, 76 insertions, 0 deletions
diff --git a/node_modules/webpack-sources/lib/PrefixSource.js b/node_modules/webpack-sources/lib/PrefixSource.js
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+++ b/node_modules/webpack-sources/lib/PrefixSource.js
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+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var Source = require("./Source");
+var SourceNode = require("source-map").SourceNode;
+
+var REPLACE_REGEX = /\n(?=.|\s)/g;
+
+function cloneAndPrefix(node, prefix, append) {
+ if(typeof node === "string") {
+ var result = node.replace(REPLACE_REGEX, "\n" + prefix);
+ if(append.length > 0) result = append.pop() + result;
+ if(/\n$/.test(node)) append.push(prefix);
+ return result;
+ } else {
+ var newNode = new SourceNode(
+ node.line,
+ node.column,
+ node.source,
+ node.children.map(function(node) {
+ return cloneAndPrefix(node, prefix, append);
+ }),
+ node.name
+ );
+ newNode.sourceContents = node.sourceContents;
+ return newNode;
+ }
+};
+
+class PrefixSource extends Source {
+ constructor(prefix, source) {
+ super();
+ this._source = source;
+ this._prefix = prefix;
+ }
+
+ source() {
+ var node = typeof this._source === "string" ? this._source : this._source.source();
+ var prefix = this._prefix;
+ return prefix + node.replace(REPLACE_REGEX, "\n" + prefix);
+ }
+
+ node(options) {
+ var node = this._source.node(options);
+ var append = [this._prefix];
+ return new SourceNode(null, null, null, [
+ cloneAndPrefix(node, this._prefix, append)
+ ]);
+ }
+
+ listMap(options) {
+ var prefix = this._prefix;
+ var map = this._source.listMap(options);
+ return map.mapGeneratedCode(function(code) {
+ return prefix + code.replace(REPLACE_REGEX, "\n" + prefix);
+ });
+ }
+
+ updateHash(hash) {
+ if(typeof this._source === "string")
+ hash.update(this._source);
+ else
+ this._source.updateHash(hash);
+ if(typeof this._prefix === "string")
+ hash.update(this._prefix);
+ else
+ this._prefix.updateHash(hash);
+ }
+}
+
+require("./SourceAndMapMixin")(PrefixSource.prototype);
+
+module.exports = PrefixSource;