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118 changes: 118 additions & 0 deletions
118
build-system/tasks/get-zindex/jscodeshift/collect-zindex.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /** | ||
| * Copyright 2021 The AMP HTML Authors. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS-IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| import {readJsonSync, writeJsonSync} from 'fs-extra'; | ||
|
|
||
| const zIndexRegExp = /^z-?index$/i; | ||
|
|
||
| function getCallExpressionZIndexValue(node) { | ||
| for (let i = 0; i < node.arguments.length; i++) { | ||
| const argument = node.arguments[i]; | ||
| const next = node.arguments[i + 1]; | ||
| if (next && next.type === 'Literal' && zIndexRegExp.test(argument.value)) { | ||
| return next.value; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function source(file, node) { | ||
| const {start, end} = node; | ||
| return file.source.substr(start, end - start); | ||
| } | ||
|
|
||
| function chainId(file, path) { | ||
| let propertyChain = ''; | ||
| let at = path; | ||
|
|
||
| while (at && at.value && at.value.type.endsWith('Property')) { | ||
| const part = source(file, at.value.key); | ||
| if (at.value.key.type === 'Identifier') { | ||
| propertyChain = `.${part}` + propertyChain; | ||
| } else { | ||
| propertyChain = `[${part}]` + propertyChain; | ||
| } | ||
| at = at.parent && at.parent.parent; | ||
| } | ||
|
|
||
| while ( | ||
| at && | ||
| at.parent && | ||
| at.value.type !== 'CallExpression' && | ||
| at.value.type !== 'VariableDeclarator' && | ||
| at.value.type !== 'AssignmentExpression' && | ||
| at.value.type !== 'JSXAttribute' && | ||
| at.value.type !== 'Program' | ||
| ) { | ||
| at = at.parent; | ||
| } | ||
|
|
||
| if (at.value.type === 'JSXAttribute') { | ||
| const openingElement = source(file, at.parent.value.name); | ||
| return `<${openingElement} />`; | ||
| } | ||
|
|
||
| if (at.value.type === 'CallExpression') { | ||
| return source(file, at.value.callee); | ||
| } | ||
|
|
||
| if (at.value.type === 'AssignmentExpression') { | ||
| return source(file, at.value.left) + propertyChain; | ||
| } | ||
|
|
||
| if (at.value.type === 'VariableDeclarator') { | ||
| return source(file, at.value.id) + propertyChain; | ||
| } | ||
|
|
||
| return '(unknown)'; | ||
| } | ||
|
|
||
| export default function transformer(file, api, options) { | ||
| const j = api.jscodeshift; | ||
|
|
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| const reports = {}; | ||
|
|
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| const {collectZindexToFile} = options; | ||
|
|
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| j(file.source) | ||
| .find( | ||
| j.ObjectProperty, | ||
| (node) => | ||
| node.key && | ||
| node.value.type.endsWith('Literal') && | ||
| node.value.value !== '' && | ||
| zIndexRegExp.test(node.key.value || node.key.name) | ||
| ) | ||
| .forEach((path) => { | ||
| reports[chainId(file, path.parent.parent)] = path.value.value.value; | ||
| }); | ||
|
|
||
| j(file.source) | ||
| .find( | ||
| j.CallExpression, | ||
| (node) => getCallExpressionZIndexValue(node) != null | ||
| ) | ||
| .forEach((path) => { | ||
| reports[chainId(file, path)] = getCallExpressionZIndexValue(path.value); | ||
| }); | ||
|
|
||
| if (collectZindexToFile && Object.keys(reports).length > 0) { | ||
| writeJsonSync(collectZindexToFile, { | ||
| ...readJsonSync(collectZindexToFile, {throws: false}), | ||
| [file.path]: reports, | ||
| }); | ||
| } | ||
|
|
||
| return file.source; | ||
| } |
33 changes: 33 additions & 0 deletions
33
build-system/tasks/get-zindex/jscodeshift/parser-config.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| { | ||
| "sourceType": "module", | ||
| "allowImportExportEverywhere": true, | ||
| "allowReturnOutsideFunction": true, | ||
| "startLine": 1, | ||
| "tokens": true, | ||
| "plugins": [ | ||
| ["flow", {"all": true}], | ||
| "flowComments", | ||
| "jsx", | ||
| "asyncGenerators", | ||
| "bigInt", | ||
| "classProperties", | ||
| "classPrivateProperties", | ||
| "classPrivateMethods", | ||
| ["decorators", {"decoratorsBeforeExport": false}], | ||
| "doExpressions", | ||
| "dynamicImport", | ||
| "exportDefaultFrom", | ||
| "exportNamespaceFrom", | ||
| "functionBind", | ||
| "functionSent", | ||
| "importMeta", | ||
| "logicalAssignment", | ||
| "nullishCoalescingOperator", | ||
| "numericSeparator", | ||
| "objectRestSpread", | ||
| "optionalCatchBinding", | ||
| "optionalChaining", | ||
| ["pipelineOperator", {"proposal": "minimal"}], | ||
| "throwExpressions" | ||
| ] | ||
| } |
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