vue hello world项目
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const RuntimeGlobals = require("./RuntimeGlobals");
const WebpackError = require("./WebpackError");
const ConstDependency = require("./dependencies/ConstDependency");
const BasicEvaluatedExpression = require("./javascript/BasicEvaluatedExpression");
const {
toConstantDependency,
evaluateToString
} = require("./javascript/JavascriptParserHelpers");
const ChunkNameRuntimeModule = require("./runtime/ChunkNameRuntimeModule");
const GetFullHashRuntimeModule = require("./runtime/GetFullHashRuntimeModule");
/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */
/* eslint-disable camelcase */
const REPLACEMENTS = {
__webpack_require__: {
expr: RuntimeGlobals.require,
req: [RuntimeGlobals.require],
type: "function",
assign: false
},
__webpack_public_path__: {
expr: RuntimeGlobals.publicPath,
req: [RuntimeGlobals.publicPath],
type: "string",
assign: true
},
__webpack_base_uri__: {
expr: RuntimeGlobals.baseURI,
req: [RuntimeGlobals.baseURI],
type: "string",
assign: true
},
__webpack_modules__: {
expr: RuntimeGlobals.moduleFactories,
req: [RuntimeGlobals.moduleFactories],
type: "object",
assign: false
},
__webpack_chunk_load__: {
expr: RuntimeGlobals.ensureChunk,
req: [RuntimeGlobals.ensureChunk],
type: "function",
assign: true
},
__non_webpack_require__: {
expr: "require",
req: null,
type: undefined, // type is not known, depends on environment
assign: true
},
__webpack_nonce__: {
expr: RuntimeGlobals.scriptNonce,
req: [RuntimeGlobals.scriptNonce],
type: "string",
assign: true
},
__webpack_hash__: {
expr: `${RuntimeGlobals.getFullHash}()`,
req: [RuntimeGlobals.getFullHash],
type: "string",
assign: false
},
__webpack_chunkname__: {
expr: RuntimeGlobals.chunkName,
req: [RuntimeGlobals.chunkName],
type: "string",
assign: false
},
__webpack_get_script_filename__: {
expr: RuntimeGlobals.getChunkScriptFilename,
req: [RuntimeGlobals.getChunkScriptFilename],
type: "function",
assign: true
},
__webpack_runtime_id__: {
expr: RuntimeGlobals.runtimeId,
req: [RuntimeGlobals.runtimeId],
assign: false
},
"require.onError": {
expr: RuntimeGlobals.uncaughtErrorHandler,
req: [RuntimeGlobals.uncaughtErrorHandler],
type: undefined, // type is not known, could be function or undefined
assign: true // is never a pattern
},
__system_context__: {
expr: RuntimeGlobals.systemContext,
req: [RuntimeGlobals.systemContext],
type: "object",
assign: false
},
__webpack_share_scopes__: {
expr: RuntimeGlobals.shareScopeMap,
req: [RuntimeGlobals.shareScopeMap],
type: "object",
assign: false
},
__webpack_init_sharing__: {
expr: RuntimeGlobals.initializeSharing,
req: [RuntimeGlobals.initializeSharing],
type: "function",
assign: true
}
};
/* eslint-enable camelcase */
class APIPlugin {
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
"APIPlugin",
(compilation, { normalModuleFactory }) => {
compilation.dependencyTemplates.set(
ConstDependency,
new ConstDependency.Template()
);
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.chunkName)
.tap("APIPlugin", chunk => {
compilation.addRuntimeModule(
chunk,
new ChunkNameRuntimeModule(chunk.name)
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.getFullHash)
.tap("APIPlugin", (chunk, set) => {
compilation.addRuntimeModule(chunk, new GetFullHashRuntimeModule());
return true;
});
/**
* @param {JavascriptParser} parser the parser
*/
const handler = parser => {
Object.keys(REPLACEMENTS).forEach(key => {
const info = REPLACEMENTS[key];
parser.hooks.expression
.for(key)
.tap(
"APIPlugin",
toConstantDependency(parser, info.expr, info.req)
);
if (info.assign === false) {
parser.hooks.assign.for(key).tap("APIPlugin", expr => {
const err = new WebpackError(`${key} must not be assigned`);
err.loc = expr.loc;
throw err;
});
}
if (info.type) {
parser.hooks.evaluateTypeof
.for(key)
.tap("APIPlugin", evaluateToString(info.type));
}
});
parser.hooks.expression
.for("__webpack_layer__")
.tap("APIPlugin", expr => {
const dep = new ConstDependency(
JSON.stringify(parser.state.module.layer),
expr.range
);
dep.loc = expr.loc;
parser.state.module.addPresentationalDependency(dep);
return true;
});
parser.hooks.evaluateIdentifier
.for("__webpack_layer__")
.tap("APIPlugin", expr =>
(parser.state.module.layer === null
? new BasicEvaluatedExpression().setNull()
: new BasicEvaluatedExpression().setString(
parser.state.module.layer
)
).setRange(expr.range)
);
parser.hooks.evaluateTypeof
.for("__webpack_layer__")
.tap("APIPlugin", expr =>
new BasicEvaluatedExpression()
.setString(
parser.state.module.layer === null ? "object" : "string"
)
.setRange(expr.range)
);
parser.hooks.expression
.for("__webpack_module__.id")
.tap("APIPlugin", expr => {
parser.state.module.buildInfo.moduleConcatenationBailout =
"__webpack_module__.id";
const dep = new ConstDependency(
parser.state.module.moduleArgument + ".id",
expr.range,
[RuntimeGlobals.moduleId]
);
dep.loc = expr.loc;
parser.state.module.addPresentationalDependency(dep);
return true;
});
parser.hooks.expression
.for("__webpack_module__")
.tap("APIPlugin", expr => {
parser.state.module.buildInfo.moduleConcatenationBailout =
"__webpack_module__";
const dep = new ConstDependency(
parser.state.module.moduleArgument,
expr.range,
[RuntimeGlobals.module]
);
dep.loc = expr.loc;
parser.state.module.addPresentationalDependency(dep);
return true;
});
parser.hooks.evaluateTypeof
.for("__webpack_module__")
.tap("APIPlugin", evaluateToString("object"));
};
normalModuleFactory.hooks.parser
.for("javascript/auto")
.tap("APIPlugin", handler);
normalModuleFactory.hooks.parser
.for("javascript/dynamic")
.tap("APIPlugin", handler);
normalModuleFactory.hooks.parser
.for("javascript/esm")
.tap("APIPlugin", handler);
}
);
}
}
module.exports = APIPlugin;