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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/UseStrictPlugin.js | |
download | website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2 website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip |
api, login, auth
Diffstat (limited to 'node_modules/webpack/lib/UseStrictPlugin.js')
-rw-r--r-- | node_modules/webpack/lib/UseStrictPlugin.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/UseStrictPlugin.js b/node_modules/webpack/lib/UseStrictPlugin.js new file mode 100644 index 0000000..425be2e --- /dev/null +++ b/node_modules/webpack/lib/UseStrictPlugin.js @@ -0,0 +1,54 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ +"use strict"; + +const ConstDependency = require("./dependencies/ConstDependency"); + +/** @typedef {import("./Compiler")} Compiler */ + +class UseStrictPlugin { + /** + * @param {Compiler} compiler Webpack Compiler + * @returns {void} + */ + apply(compiler) { + compiler.hooks.compilation.tap( + "UseStrictPlugin", + (compilation, { normalModuleFactory }) => { + const handler = parser => { + parser.hooks.program.tap("UseStrictPlugin", ast => { + const firstNode = ast.body[0]; + if ( + firstNode && + firstNode.type === "ExpressionStatement" && + firstNode.expression.type === "Literal" && + firstNode.expression.value === "use strict" + ) { + // Remove "use strict" expression. It will be added later by the renderer again. + // This is necessary in order to not break the strict mode when webpack prepends code. + // @see https://github.com/webpack/webpack/issues/1970 + const dep = new ConstDependency("", firstNode.range); + dep.loc = firstNode.loc; + parser.state.current.addDependency(dep); + parser.state.module.buildInfo.strict = true; + } + }); + }; + + normalModuleFactory.hooks.parser + .for("javascript/auto") + .tap("UseStrictPlugin", handler); + normalModuleFactory.hooks.parser + .for("javascript/dynamic") + .tap("UseStrictPlugin", handler); + normalModuleFactory.hooks.parser + .for("javascript/esm") + .tap("UseStrictPlugin", handler); + } + ); + } +} + +module.exports = UseStrictPlugin; |