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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlockParserPlugin.js | |
download | website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2 website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip |
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Diffstat (limited to 'node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlockParserPlugin.js')
-rw-r--r-- | node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlockParserPlugin.js | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlockParserPlugin.js b/node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlockParserPlugin.js new file mode 100644 index 0000000..ea52d81 --- /dev/null +++ b/node_modules/webpack/lib/dependencies/AMDRequireDependenciesBlockParserPlugin.js @@ -0,0 +1,274 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ +"use strict"; + +const AMDRequireItemDependency = require("./AMDRequireItemDependency"); +const AMDRequireArrayDependency = require("./AMDRequireArrayDependency"); +const AMDRequireContextDependency = require("./AMDRequireContextDependency"); +const AMDRequireDependenciesBlock = require("./AMDRequireDependenciesBlock"); +const UnsupportedDependency = require("./UnsupportedDependency"); +const LocalModuleDependency = require("./LocalModuleDependency"); +const ContextDependencyHelpers = require("./ContextDependencyHelpers"); +const LocalModulesHelpers = require("./LocalModulesHelpers"); +const ConstDependency = require("./ConstDependency"); +const getFunctionExpression = require("./getFunctionExpression"); +const UnsupportedFeatureWarning = require("../UnsupportedFeatureWarning"); + +class AMDRequireDependenciesBlockParserPlugin { + constructor(options) { + this.options = options; + } + + processFunctionArgument(parser, expression) { + let bindThis = true; + const fnData = getFunctionExpression(expression); + if (fnData) { + parser.inScope( + fnData.fn.params.filter(i => { + return !["require", "module", "exports"].includes(i.name); + }), + () => { + if (fnData.fn.body.type === "BlockStatement") { + parser.walkStatement(fnData.fn.body); + } else { + parser.walkExpression(fnData.fn.body); + } + } + ); + parser.walkExpressions(fnData.expressions); + if (fnData.needThis === false) { + bindThis = false; + } + } else { + parser.walkExpression(expression); + } + return bindThis; + } + + apply(parser) { + parser.hooks.call + .for("require") + .tap( + "AMDRequireDependenciesBlockParserPlugin", + this.processCallRequire.bind(this, parser) + ); + } + + processArray(parser, expr, param) { + if (param.isArray()) { + for (const p of param.items) { + const result = this.processItem(parser, expr, p); + if (result === undefined) { + this.processContext(parser, expr, p); + } + } + return true; + } else if (param.isConstArray()) { + const deps = []; + for (const request of param.array) { + let dep, localModule; + if (request === "require") { + dep = "__webpack_require__"; + } else if (["exports", "module"].includes(request)) { + dep = request; + } else if ( + (localModule = LocalModulesHelpers.getLocalModule( + parser.state, + request + )) + ) { + dep = new LocalModuleDependency(localModule, undefined, false); + dep.loc = expr.loc; + parser.state.current.addDependency(dep); + } else { + dep = this.newRequireItemDependency(request); + dep.loc = expr.loc; + dep.optional = !!parser.scope.inTry; + parser.state.current.addDependency(dep); + } + deps.push(dep); + } + const dep = this.newRequireArrayDependency(deps, param.range); + dep.loc = expr.loc; + dep.optional = !!parser.scope.inTry; + parser.state.current.addDependency(dep); + return true; + } + } + processItem(parser, expr, param) { + if (param.isConditional()) { + for (const p of param.options) { + const result = this.processItem(parser, expr, p); + if (result === undefined) { + this.processContext(parser, expr, p); + } + } + return true; + } else if (param.isString()) { + let dep, localModule; + if (param.string === "require") { + dep = new ConstDependency("__webpack_require__", param.string); + } else if (param.string === "module") { + dep = new ConstDependency( + parser.state.module.buildInfo.moduleArgument, + param.range + ); + } else if (param.string === "exports") { + dep = new ConstDependency( + parser.state.module.buildInfo.exportsArgument, + param.range + ); + } else if ( + (localModule = LocalModulesHelpers.getLocalModule( + parser.state, + param.string + )) + ) { + dep = new LocalModuleDependency(localModule, param.range, false); + } else { + dep = this.newRequireItemDependency(param.string, param.range); + } + dep.loc = expr.loc; + dep.optional = !!parser.scope.inTry; + parser.state.current.addDependency(dep); + return true; + } + } + processContext(parser, expr, param) { + const dep = ContextDependencyHelpers.create( + AMDRequireContextDependency, + param.range, + param, + expr, + this.options, + {}, + parser + ); + if (!dep) return; + dep.loc = expr.loc; + dep.optional = !!parser.scope.inTry; + parser.state.current.addDependency(dep); + return true; + } + + processArrayForRequestString(param) { + if (param.isArray()) { + const result = param.items.map(item => + this.processItemForRequestString(item) + ); + if (result.every(Boolean)) return result.join(" "); + } else if (param.isConstArray()) { + return param.array.join(" "); + } + } + + processItemForRequestString(param) { + if (param.isConditional()) { + const result = param.options.map(item => + this.processItemForRequestString(item) + ); + if (result.every(Boolean)) return result.join("|"); + } else if (param.isString()) { + return param.string; + } + } + + processCallRequire(parser, expr) { + let param; + let dep; + let result; + + const old = parser.state.current; + + if (expr.arguments.length >= 1) { + param = parser.evaluateExpression(expr.arguments[0]); + dep = this.newRequireDependenciesBlock( + expr, + param.range, + expr.arguments.length > 1 ? expr.arguments[1].range : null, + expr.arguments.length > 2 ? expr.arguments[2].range : null, + parser.state.module, + expr.loc, + this.processArrayForRequestString(param) + ); + parser.state.current = dep; + } + + if (expr.arguments.length === 1) { + parser.inScope([], () => { + result = this.processArray(parser, expr, param); + }); + parser.state.current = old; + if (!result) return; + parser.state.current.addBlock(dep); + return true; + } + + if (expr.arguments.length === 2 || expr.arguments.length === 3) { + try { + parser.inScope([], () => { + result = this.processArray(parser, expr, param); + }); + if (!result) { + dep = new UnsupportedDependency("unsupported", expr.range); + old.addDependency(dep); + if (parser.state.module) { + parser.state.module.errors.push( + new UnsupportedFeatureWarning( + parser.state.module, + "Cannot statically analyse 'require(…, …)' in line " + + expr.loc.start.line, + expr.loc + ) + ); + } + dep = null; + return true; + } + dep.functionBindThis = this.processFunctionArgument( + parser, + expr.arguments[1] + ); + if (expr.arguments.length === 3) { + dep.errorCallbackBindThis = this.processFunctionArgument( + parser, + expr.arguments[2] + ); + } + } finally { + parser.state.current = old; + if (dep) parser.state.current.addBlock(dep); + } + return true; + } + } + + newRequireDependenciesBlock( + expr, + arrayRange, + functionRange, + errorCallbackRange, + module, + loc, + request + ) { + return new AMDRequireDependenciesBlock( + expr, + arrayRange, + functionRange, + errorCallbackRange, + module, + loc, + request + ); + } + newRequireItemDependency(request, range) { + return new AMDRequireItemDependency(request, range); + } + newRequireArrayDependency(depsArray, range) { + return new AMDRequireArrayDependency(depsArray, range); + } +} +module.exports = AMDRequireDependenciesBlockParserPlugin; |