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Diffstat (limited to 'node_modules/webpack/lib/dependencies/RequireContextPlugin.js')
-rw-r--r-- | node_modules/webpack/lib/dependencies/RequireContextPlugin.js | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/dependencies/RequireContextPlugin.js b/node_modules/webpack/lib/dependencies/RequireContextPlugin.js new file mode 100644 index 0000000..4e44e87 --- /dev/null +++ b/node_modules/webpack/lib/dependencies/RequireContextPlugin.js @@ -0,0 +1,143 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ +"use strict"; + +const RequireContextDependency = require("./RequireContextDependency"); +const ContextElementDependency = require("./ContextElementDependency"); + +const RequireContextDependencyParserPlugin = require("./RequireContextDependencyParserPlugin"); + +class RequireContextPlugin { + constructor(modulesDirectories, extensions, mainFiles) { + if (!Array.isArray(modulesDirectories)) { + throw new Error("modulesDirectories must be an array"); + } + if (!Array.isArray(extensions)) { + throw new Error("extensions must be an array"); + } + this.modulesDirectories = modulesDirectories; + this.extensions = extensions; + this.mainFiles = mainFiles; + } + + apply(compiler) { + compiler.hooks.compilation.tap( + "RequireContextPlugin", + (compilation, { contextModuleFactory, normalModuleFactory }) => { + compilation.dependencyFactories.set( + RequireContextDependency, + contextModuleFactory + ); + compilation.dependencyTemplates.set( + RequireContextDependency, + new RequireContextDependency.Template() + ); + + compilation.dependencyFactories.set( + ContextElementDependency, + normalModuleFactory + ); + + const handler = (parser, parserOptions) => { + if ( + parserOptions.requireContext !== undefined && + !parserOptions.requireContext + ) + return; + + new RequireContextDependencyParserPlugin().apply(parser); + }; + + normalModuleFactory.hooks.parser + .for("javascript/auto") + .tap("RequireContextPlugin", handler); + normalModuleFactory.hooks.parser + .for("javascript/dynamic") + .tap("RequireContextPlugin", handler); + + contextModuleFactory.hooks.alternatives.tap( + "RequireContextPlugin", + items => { + if (items.length === 0) return items; + return items + .map(obj => { + return this.extensions + .filter(ext => { + const l = obj.request.length; + return ( + l > ext.length && + obj.request.substr(l - ext.length, l) === ext + ); + }) + .map(ext => { + const l = obj.request.length; + return { + context: obj.context, + request: obj.request.substr(0, l - ext.length) + }; + }) + .concat(obj); + }) + .reduce((a, b) => a.concat(b), []); + } + ); + + contextModuleFactory.hooks.alternatives.tap( + "RequireContextPlugin", + items => { + if (items.length === 0) return items; + return items + .map(obj => { + return this.mainFiles + .filter(mainFile => { + const l = obj.request.length; + return ( + l > mainFile.length + 1 && + obj.request.substr(l - mainFile.length - 1, l) === + "/" + mainFile + ); + }) + .map(mainFile => { + const l = obj.request.length; + return [ + { + context: obj.context, + request: obj.request.substr(0, l - mainFile.length) + }, + { + context: obj.context, + request: obj.request.substr(0, l - mainFile.length - 1) + } + ]; + }) + .reduce((a, b) => a.concat(b), []) + .concat(obj); + }) + .reduce((a, b) => a.concat(b), []); + } + ); + + contextModuleFactory.hooks.alternatives.tap( + "RequireContextPlugin", + items => { + if (items.length === 0) return items; + return items.map(obj => { + for (let i = 0; i < this.modulesDirectories.length; i++) { + const dir = this.modulesDirectories[i]; + const idx = obj.request.indexOf("./" + dir + "/"); + if (idx === 0) { + obj.request = obj.request.slice(dir.length + 3); + break; + } + } + return obj; + }); + } + ); + } + ); + } +} +module.exports = RequireContextPlugin; |