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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/RequireEnsureDependenciesBlockParserPlugin.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/RequireEnsureDependenciesBlockParserPlugin.js')
-rw-r--r-- | node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlockParserPlugin.js | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlockParserPlugin.js b/node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlockParserPlugin.js new file mode 100644 index 0000000..213eaac --- /dev/null +++ b/node_modules/webpack/lib/dependencies/RequireEnsureDependenciesBlockParserPlugin.js @@ -0,0 +1,116 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ +"use strict"; + +const RequireEnsureDependenciesBlock = require("./RequireEnsureDependenciesBlock"); +const RequireEnsureItemDependency = require("./RequireEnsureItemDependency"); +const getFunctionExpression = require("./getFunctionExpression"); + +module.exports = class RequireEnsureDependenciesBlockParserPlugin { + apply(parser) { + parser.hooks.call + .for("require.ensure") + .tap("RequireEnsureDependenciesBlockParserPlugin", expr => { + let chunkName = null; + let chunkNameRange = null; + let errorExpressionArg = null; + let errorExpression = null; + switch (expr.arguments.length) { + case 4: { + const chunkNameExpr = parser.evaluateExpression(expr.arguments[3]); + if (!chunkNameExpr.isString()) return; + chunkNameRange = chunkNameExpr.range; + chunkName = chunkNameExpr.string; + } + // falls through + case 3: { + errorExpressionArg = expr.arguments[2]; + errorExpression = getFunctionExpression(errorExpressionArg); + + if (!errorExpression && !chunkName) { + const chunkNameExpr = parser.evaluateExpression( + expr.arguments[2] + ); + if (!chunkNameExpr.isString()) return; + chunkNameRange = chunkNameExpr.range; + chunkName = chunkNameExpr.string; + } + } + // falls through + case 2: { + const dependenciesExpr = parser.evaluateExpression( + expr.arguments[0] + ); + const dependenciesItems = dependenciesExpr.isArray() + ? dependenciesExpr.items + : [dependenciesExpr]; + const successExpressionArg = expr.arguments[1]; + const successExpression = getFunctionExpression( + successExpressionArg + ); + + if (successExpression) { + parser.walkExpressions(successExpression.expressions); + } + if (errorExpression) { + parser.walkExpressions(errorExpression.expressions); + } + + const dep = new RequireEnsureDependenciesBlock( + expr, + successExpression ? successExpression.fn : successExpressionArg, + errorExpression ? errorExpression.fn : errorExpressionArg, + chunkName, + chunkNameRange, + parser.state.module, + expr.loc + ); + const old = parser.state.current; + parser.state.current = dep; + try { + let failed = false; + parser.inScope([], () => { + for (const ee of dependenciesItems) { + if (ee.isString()) { + const edep = new RequireEnsureItemDependency(ee.string); + edep.loc = dep.loc; + dep.addDependency(edep); + } else { + failed = true; + } + } + }); + if (failed) { + return; + } + if (successExpression) { + if (successExpression.fn.body.type === "BlockStatement") { + parser.walkStatement(successExpression.fn.body); + } else { + parser.walkExpression(successExpression.fn.body); + } + } + old.addBlock(dep); + } finally { + parser.state.current = old; + } + if (!successExpression) { + parser.walkExpression(successExpressionArg); + } + if (errorExpression) { + if (errorExpression.fn.body.type === "BlockStatement") { + parser.walkStatement(errorExpression.fn.body); + } else { + parser.walkExpression(errorExpression.fn.body); + } + } else if (errorExpressionArg) { + parser.walkExpression(errorExpressionArg); + } + return true; + } + } + }); + } +}; |