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import.meta.webpackContext #15446
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import.meta.webpackContext #15446
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| MIT License http://www.opensource.org/licenses/mit-license.php | ||
| Author Ivan Kopeykin @vankop | ||
| */ | ||
|
|
||
| "use strict"; | ||
|
|
||
| const makeSerializable = require("../util/makeSerializable"); | ||
| const ContextDependency = require("./ContextDependency"); | ||
| const ModuleDependencyTemplateAsRequireId = require("./ModuleDependencyTemplateAsRequireId"); | ||
|
|
||
| class ImportMetaContextDependency extends ContextDependency { | ||
| constructor(options, range) { | ||
| super(options); | ||
|
|
||
| this.range = range; | ||
| } | ||
|
|
||
| get category() { | ||
| return "esm"; | ||
| } | ||
|
|
||
| get type() { | ||
| return `import.meta.webpackContext ${this.options.mode}`; | ||
| } | ||
| } | ||
|
|
||
| makeSerializable( | ||
| ImportMetaContextDependency, | ||
| "webpack/lib/dependencies/ImportMetaContextDependency" | ||
| ); | ||
|
|
||
| ImportMetaContextDependency.Template = ModuleDependencyTemplateAsRequireId; | ||
|
|
||
| module.exports = ImportMetaContextDependency; | ||
252 changes: 252 additions & 0 deletions
252
lib/dependencies/ImportMetaContextDependencyParserPlugin.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,252 @@ | ||
| /* | ||
| MIT License http://www.opensource.org/licenses/mit-license.php | ||
| Author Ivan Kopeykin @vankop | ||
| */ | ||
|
|
||
| "use strict"; | ||
|
|
||
| const WebpackError = require("../WebpackError"); | ||
| const { | ||
| evaluateToIdentifier | ||
| } = require("../javascript/JavascriptParserHelpers"); | ||
| const ImportMetaContextDependency = require("./ImportMetaContextDependency"); | ||
|
|
||
| /** @typedef {import("estree").Expression} ExpressionNode */ | ||
| /** @typedef {import("estree").ObjectExpression} ObjectExpressionNode */ | ||
| /** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */ | ||
| /** @typedef {import("../ContextModule").ContextModuleOptions} ContextModuleOptions */ | ||
| /** @typedef {import("../ChunkGroup").RawChunkGroupOptions} RawChunkGroupOptions */ | ||
| /** @typedef {Pick<ContextModuleOptions, 'mode'|'recursive'|'regExp'|'include'|'exclude'|'chunkName'>&{groupOptions: RawChunkGroupOptions, exports?: ContextModuleOptions["referencedExports"]}} ImportMetaContextOptions */ | ||
|
|
||
| function createPropertyParseError(prop, expect) { | ||
| return createError( | ||
| `Parsing import.meta.webpackContext options failed. Unknown value for property ${JSON.stringify( | ||
| prop.key.name | ||
| )}, expected type ${expect}.`, | ||
| prop.value.loc | ||
| ); | ||
| } | ||
|
|
||
| function createError(msg, loc) { | ||
| const error = new WebpackError(msg); | ||
| error.name = "ImportMetaContextError"; | ||
| error.loc = loc; | ||
| return error; | ||
| } | ||
|
|
||
| module.exports = class ImportMetaContextDependencyParserPlugin { | ||
| apply(parser) { | ||
| parser.hooks.evaluateIdentifier | ||
| .for("import.meta.webpackContext") | ||
| .tap("HotModuleReplacementPlugin", expr => { | ||
| return evaluateToIdentifier( | ||
| "import.meta.webpackContext", | ||
| "import.meta", | ||
| () => ["webpackContext"], | ||
| true | ||
| )(expr); | ||
| }); | ||
| parser.hooks.call | ||
| .for("import.meta.webpackContext") | ||
| .tap("ImportMetaContextDependencyParserPlugin", expr => { | ||
| if (expr.arguments.length < 1 || expr.arguments.length > 2) return; | ||
| const [directoryNode, optionsNode] = expr.arguments; | ||
| if (optionsNode && optionsNode.type !== "ObjectExpression") return; | ||
| const requestExpr = parser.evaluateExpression(directoryNode); | ||
| if (!requestExpr.isString()) return; | ||
| const request = requestExpr.string; | ||
| const errors = []; | ||
| let regExp = /^\.\/.*$/; | ||
| let recursive = true; | ||
| /** @type {ContextModuleOptions["mode"]} */ | ||
| let mode = "sync"; | ||
| /** @type {ContextModuleOptions["include"]} */ | ||
| let include; | ||
| /** @type {ContextModuleOptions["exclude"]} */ | ||
| let exclude; | ||
| /** @type {RawChunkGroupOptions} */ | ||
| const groupOptions = {}; | ||
| /** @type {ContextModuleOptions["chunkName"]} */ | ||
| let chunkName; | ||
| /** @type {ContextModuleOptions["referencedExports"]} */ | ||
| let exports; | ||
| if (optionsNode) { | ||
| for (const prop of optionsNode.properties) { | ||
| if (prop.type !== "Property" || prop.key.type !== "Identifier") { | ||
| errors.push( | ||
| createError( | ||
| "Parsing import.meta.webpackContext options failed.", | ||
| optionsNode.loc | ||
| ) | ||
| ); | ||
| break; | ||
| } | ||
| switch (prop.key.name) { | ||
| case "regExp": { | ||
| const regExpExpr = parser.evaluateExpression( | ||
| /** @type {ExpressionNode} */ (prop.value) | ||
| ); | ||
| if (!regExpExpr.isRegExp()) { | ||
| errors.push(createPropertyParseError(prop, "RegExp")); | ||
| } else { | ||
| regExp = regExpExpr.regExp; | ||
| } | ||
| break; | ||
| } | ||
| case "include": { | ||
| const regExpExpr = parser.evaluateExpression( | ||
| /** @type {ExpressionNode} */ (prop.value) | ||
| ); | ||
| if (!regExpExpr.isRegExp()) { | ||
| errors.push(createPropertyParseError(prop, "RegExp")); | ||
| } else { | ||
| include = regExpExpr.regExp; | ||
| } | ||
| break; | ||
| } | ||
| case "exclude": { | ||
| const regExpExpr = parser.evaluateExpression( | ||
| /** @type {ExpressionNode} */ (prop.value) | ||
| ); | ||
| if (!regExpExpr.isRegExp()) { | ||
| errors.push(createPropertyParseError(prop, "RegExp")); | ||
| } else { | ||
| exclude = regExpExpr.regExp; | ||
| } | ||
| break; | ||
| } | ||
| case "mode": { | ||
| const modeExpr = parser.evaluateExpression( | ||
| /** @type {ExpressionNode} */ (prop.value) | ||
| ); | ||
| if (!modeExpr.isString()) { | ||
| errors.push(createPropertyParseError(prop, "string")); | ||
| } else { | ||
| mode = /** @type {ContextModuleOptions["mode"]} */ ( | ||
| modeExpr.string | ||
| ); | ||
| } | ||
| break; | ||
| } | ||
| case "chunkName": { | ||
| const expr = parser.evaluateExpression( | ||
| /** @type {ExpressionNode} */ (prop.value) | ||
| ); | ||
| if (!expr.isString()) { | ||
| errors.push(createPropertyParseError(prop, "string")); | ||
| } else { | ||
| chunkName = expr.string; | ||
| } | ||
| break; | ||
| } | ||
| case "exports": { | ||
| const expr = parser.evaluateExpression( | ||
| /** @type {ExpressionNode} */ (prop.value) | ||
| ); | ||
| if (expr.isString()) { | ||
| exports = [[expr.string]]; | ||
| } else if (expr.isArray()) { | ||
| const items = expr.items; | ||
| if ( | ||
| items.every(i => { | ||
| if (!i.isArray()) return false; | ||
| const innerItems = i.items; | ||
| return innerItems.every(i => i.isString()); | ||
| }) | ||
| ) { | ||
| exports = []; | ||
| for (const i1 of items) { | ||
| const export_ = []; | ||
| for (const i2 of i1.items) { | ||
| export_.push(i2.string); | ||
| } | ||
| exports.push(export_); | ||
| } | ||
| } else { | ||
| errors.push( | ||
| createPropertyParseError(prop, "string|string[][]") | ||
| ); | ||
| } | ||
| } else { | ||
| errors.push( | ||
| createPropertyParseError(prop, "string|string[][]") | ||
| ); | ||
| } | ||
| break; | ||
| } | ||
| case "prefetch": { | ||
| const expr = parser.evaluateExpression( | ||
| /** @type {ExpressionNode} */ (prop.value) | ||
| ); | ||
| if (expr.isBoolean()) { | ||
| groupOptions.prefetchOrder = 0; | ||
| } else if (expr.isNumber()) { | ||
| groupOptions.prefetchOrder = expr.number; | ||
| } else { | ||
| errors.push(createPropertyParseError(prop, "boolean|number")); | ||
| } | ||
| break; | ||
| } | ||
| case "preload": { | ||
| const expr = parser.evaluateExpression( | ||
| /** @type {ExpressionNode} */ (prop.value) | ||
| ); | ||
| if (expr.isBoolean()) { | ||
| groupOptions.preloadOrder = 0; | ||
| } else if (expr.isNumber()) { | ||
| groupOptions.preloadOrder = expr.number; | ||
| } else { | ||
| errors.push(createPropertyParseError(prop, "boolean|number")); | ||
| } | ||
| break; | ||
| } | ||
| case "recursive": { | ||
| const recursiveExpr = parser.evaluateExpression( | ||
| /** @type {ExpressionNode} */ (prop.value) | ||
| ); | ||
| if (!recursiveExpr.isBoolean()) { | ||
| errors.push(createPropertyParseError(prop, "boolean")); | ||
| } else { | ||
| recursive = recursiveExpr.bool; | ||
| } | ||
| break; | ||
| } | ||
| default: | ||
| errors.push( | ||
| createError( | ||
| `Parsing import.meta.webpackContext options failed. Unknown property ${JSON.stringify( | ||
| prop.key.name | ||
| )}.`, | ||
| optionsNode.loc | ||
| ) | ||
| ); | ||
| } | ||
| } | ||
| } | ||
| if (errors.length) { | ||
| for (const error of errors) parser.state.current.addError(error); | ||
| return; | ||
| } | ||
|
|
||
| const dep = new ImportMetaContextDependency( | ||
| { | ||
| request, | ||
| include, | ||
| exclude, | ||
| recursive, | ||
| regExp, | ||
| groupOptions, | ||
| chunkName, | ||
| referencedExports: exports, | ||
| mode, | ||
| category: "esm" | ||
| }, | ||
| expr.range | ||
| ); | ||
| dep.loc = expr.loc; | ||
| dep.optional = !!parser.scope.inTry; | ||
| parser.state.current.addDependency(dep); | ||
| return true; | ||
| }); | ||
| } | ||
| }; |
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also is this correct one?