How to use the isIdentifier function from babel-types
Find comprehensive JavaScript babel-types.isIdentifier code examples handpicked from public code repositorys.
babel-types.isIdentifier is a function that checks if a given node is an identifier.
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function isModuleDotExports(node) { return ( t.isMemberExpression(node, { computed: false }) && t.isIdentifier(node.object, { name: 'module' }) && t.isIdentifier(node.property, { name: 'exports' }) ); } function isRequire(node, filename) { if (
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GitHub: mpvue/mpvue-loader
![mpvue profile picture](/mpvue.png?size=40)
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// }) VariableDeclaration: function (path) { if (path.node.declarations && t.isVariableDeclarator(path.node.declarations[0]) && t.isNewExpression(path.node.declarations[0].init) && t.isIdentifier(path.node.declarations[0].init.callee, { name: 'Vue' }) ) { const fnExpression = t.functionExpression( null, [],
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How does babel-types.isIdentifier work?
babel-types.isIdentifier is a function that checks whether a given object is an Identifier node in the Abstract Syntax Tree (AST) generated by Babel by examining its properties. It returns a boolean value indicating whether the object is an Identifier node or not.
GitHub: kalohq/recon
![kalohq profile picture](/kalohq.png?size=40)
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function pushImportDeclaration(node) { const source = node.source.value; node.specifiers.forEach(spec => symbols.push({ name: T.isIdentifier(spec.exported) ? spec.exported.value : spec.local.name, type: resolveType(spec, {source, sourceName: spec.local.name}), }));
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column = loc.end.column + path.parent.operator.length; } if (t.isExpressionStatement(path.node)) { return; } if (loc.start.line === element.line && (column === element.columnNumber || t.isIdentifier(path.node, {name: error.getVariable()}))) { output = path; path.stop(); stop = true; }
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Ai Example
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const t = require("@babel/types"); const node = t.identifier("x"); if (t.isIdentifier(node)) { console.log("The node is an identifier!"); } else { console.log("The node is not an identifier."); }
In this example, t.isIdentifier is used to check if the node object is an identifier. If it is, then the program prints "The node is an identifier!" to the console. If it's not, then the program prints "The node is not an identifier." instead.
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if (!isReactComponent) { return null; } if (isStatefulComponent && t.isIdentifier(defaultExportNode)) { return defaultExportNode.name; } if (t.isCallExpression(defaultExportNode)) {
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GitHub: rccoder/rax
![rccoder profile picture](/rccoder.png?size=40)
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const names = {}; function add(node) { if ( t.isIdentifier(node) && !existsScope(node.name) && // preserved identifier !isPreveredIdentifier(node.name) && !isPreveredGlobalObject(node.name) &&
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GitHub: ilanus/rax
![ilanus profile picture](/ilanus.png?size=40)
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) ); node.object.done = true; } if ( t.isIdentifier(node.object) && !isPreveredGlobalObject(node.object.name) && (t.isIdentifier(node.property) || isLiteral(node.property)) ) { node.object.done = true;
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GitHub: btd/documentation
![btd profile picture](/btd.png?size=40)
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/* * Same as above but for `b: c` vs `b: function () {}`. */ if (n.isProperty(path.node) && n.isIdentifier(path.node.key)) { path = path.get('key'); } // Foo.bar = ...;
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t.isVariableDeclaration(binding.path.parent) && binding.path.parent.kind === 'const' ) { // pick out the right variable declarator const dec = binding.path.parent.declarations.find( d => t.isIdentifier(d.id) && d.id.name === k ); // TODO: handle spread syntax if (!dec) continue;
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// 2. attr is a spread operator (attr, idx) => { if (t.isJSXSpreadAttribute(attr)) { invariant( // only allow member expressions and identifiers to be spread for now t.isIdentifier(attr.argument) || t.isMemberExpression(attr.argument), 'Unhandled spread operator value of type `%s` (`%s`)', attr.argument.type, generate(attr).code
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out_file.write('/*\n *\n * http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSS2Properties\n */\n\n'); function isModuleDotExports(node) { return ( t.isMemberExpression(node, {computed: false}) && t.isIdentifier(node.object, {name: 'module'}) && t.isIdentifier(node.property, {name: 'exports'}) ); } function isRequire(node, filename) {
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GitHub: pugjs/then-pug
![pugjs profile picture](/pugjs.png?size=40)
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return t.isExpressionStatement(c) && t.isCallExpression(c.expression) && t.isMemberExpression(c.expression.callee) && t.isIdentifier(c.expression.callee.object) && c.expression.callee.object.name === 'buf' && t.isIdentifier(c.expression.callee.property) && c.expression.callee.property.name === 'push' } let walk = function (node) {
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} // Start combining the objects. If we run into object keys that aren't strings/identifiers, we must abort, since // we can't safely merge them. let result = new Map(); for (let prop of this.value.properties) { if (!(t.isStringLiteral(prop.key) || t.isIdentifier(prop.key))) { return false; } result.set(prop.key.name || prop.key.value, prop); }
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return parseArrayExpression(contextNode); } else if (t.isClassDeclaration(contextNode)) { return { type: K.TYPE_CLASS }; // TODO } else if (t.isObjectProperty(contextNode) && t.isIdentifier(contextNode.key)) { return { type: K.OBJECT_PROPERTY, key: contextNode.key.name, value: parseNode(contextNode.value),
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GitHub: MarshallOfSound/parcel
![MarshallOfSound profile picture](/MarshallOfSound.png?size=40)
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CallExpression(path) { // If we see an `eval` call, wrap the module in a function. // Otherwise, local variables accessed inside the eval won't work. let callee = path.node.callee; if ( t.isIdentifier(callee) && callee.name === 'eval' && !path.scope.hasBinding('eval', true) ) { asset.cacheData.isCommonJS = true;
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GitHub: liulinboyi/omi
![liulinboyi profile picture](/liulinboyi.png?size=40)
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function traverseObjectNode (node, obj) { if (node.type === 'ClassProperty' || node.type === 'ObjectProperty') { const properties = node.value.properties obj = {} properties.forEach(p => { let key = t.isIdentifier(p.key) ? p.key.name : p.key.value if (Util.CONFIG_MAP[buildAdapter][key]) { key = Util.CONFIG_MAP[buildAdapter][key] } obj[key] = traverseObjectNode(p.value)
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var sourceFileName = prefixAbsolutePath.concat(fileOpts.filename).join(DIRECTORY_SEPARATOR); var styleSheetFullFilePath = getStyleSheetFullFilePath(sourceFileName, targetFileName); var extensions = getAllowedExtensions(path); var prefixExtension = getPrefixExtension(path); if (!node || !isValidSourceFile(targetFileName, extensions) || types.isIdentifier(node)) return; var source = parsePath( styleSheetFullFilePath, prefixExtension,
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} } } else if (t.isMemberExpression(path.parent)) { if (t.isCallExpression(path.parent.object)) { return (t.isIdentifier(path.parent.object.callee, {name: "jQuery"}) || t.isIdentifier(path.parent.object.callee, {name: "$"})); } } } } catch(e) {
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dependencyRequests.push(node.source.value); }, CallExpression(node, ancestors) { let {callee, arguments: args} = node; let isRequire = babelTypes.isIdentifier(callee) && callee.name === 'require' && args.length === 1 && babelTypes.isStringLiteral(args[0]) && !hasBinding(ancestors, 'require') &&
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GitHub: chrmarti/immutjs
![chrmarti profile picture](/chrmarti.png?size=40)
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path.replaceWith(objectExpression({ OBJECT_EXPRESSION: path.node })); } }, AssignmentExpression(path) { const left = path.node.left; if (t.isMemberExpression(left) && (t.isStringLiteral(left.property) || t.isIdentifier(left.property))) { const property = left.property; const name = t.isStringLiteral(property) ? property.value : property.name; path.replaceWith(assignmentExpression({ OBJECT: left.object,
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babel-types.identifier is the most popular function in babel-types (4076 examples)