本文整理汇总了TypeScript中espree.parse函数的典型用法代码示例。如果您正苦于以下问题：TypeScript parse函数的具体用法？TypeScript parse怎么用？TypeScript parse使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了parse函数的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: jsParse
export function jsParse(jsString:string) {
var script = espree.parse(jsString, {
attachComment: true,
comment: true,
loc: true,
ecmaFeatures: {
arrowFunctions: true,
blockBindings: true,
destructuring: true,
regexYFlag: true,
regexUFlag: true,
templateStrings: true,
binaryLiterals: true,
unicodeCodePointEscapes: true,
defaultParams: true,
restParams: true,
forOf: true,
objectLiteralComputedProperties: true,
objectLiteralShorthandMethods: true,
objectLiteralShorthandProperties: true,
objectLiteralDuplicateProperties: true,
generators: true,
spread: true,
classes: true,
modules: true,
jsx: true,
globalReturn: true,
}
});
var featureInfo = featureFinder();
var behaviorInfo = behaviorFinder();
var elementInfo = elementFinder();
var visitors = [featureInfo, behaviorInfo, elementInfo].map(function(info) {
return info.visitors;
});
estraverse.traverse(script, traverse(visitors));
return {
behaviors: behaviorInfo.behaviors,
elements: elementInfo.elements,
features: featureInfo.features,
parsedScript: script
};
};示例2: jsParse
export function jsParse(jsString:string) {
var script = espree.parse(jsString, {
attachComment: true,
comment: true,
loc: true,
ecmaVersion: 6
});
var featureInfo = featureFinder();
var behaviorInfo = behaviorFinder();
var elementInfo = elementFinder();
var visitors = [featureInfo, behaviorInfo, elementInfo].map(function(info) {
return info.visitors;
});
estraverse.traverse(script, traverse(visitors));
return {
behaviors: behaviorInfo.behaviors,
elements: elementInfo.elements,
features: featureInfo.features,
parsedScript: script
};
};示例3: addShadowDomTests
async function addShadowDomTests(element: ElementRepo): Promise<void> {
const testDir = path.join(element.dir, 'test');
if (!existsSync(testDir) || !fs.statSync(testDir).isDirectory()) {
return; // nothing to do
}
const testIndexFile = path.join(testDir, 'index.html');
if (!existsSync(testIndexFile)) {
return; // nothing to do
}
const contents = fs.readFileSync(testIndexFile, 'utf8');
const domTree = dom5.parse(contents);
const scripts = dom5.queryAll(domTree, (n) => n.tagName === 'script');
let updateNeeded = false;
for (const script of scripts) {
const data = script.childNodes[0];
if (!data || data.nodeName !== '#text') {
continue;
}
const program = espree.parse(data.value, {attachComment: true});
estree_walker.walk(program, {
enter(n) {
if (!(n.type === 'CallExpression' &&
n.callee.type === 'MemberExpression')) {
return;
}
if (!(n.callee.object && n.callee.property)) {
return;
}
if (!(n.callee.object.name === 'WCT' &&
n.callee.property.name === 'loadSuites')) {
return;
}
if (!(n.arguments && n.arguments.length === 1 &&
n.arguments[0].type === 'ArrayExpression')) {
return;
}
const testFilenameExpressions = n.arguments[0];
const shadyFilenames = new Set<string>();
const shadowFilenames = new Set<string>();
for (const filenameExpression of testFilenameExpressions.elements) {
if (/dom=shadow/.test(filenameExpression.value)) {
shadowFilenames.add(filenameExpression.value);
} else {
shadyFilenames.add(filenameExpression.value);
}
}
for (const shadyFilename of shadyFilenames) {
if (!shadowFilenames.has(shadyFilename + '?dom=shadow')) {
updateNeeded = true;
}
}
testFilenameExpressions.elements = [];
for (const shadyFilename of shadyFilenames) {
testFilenameExpressions.elements.push(
{type: 'Literal', value: shadyFilename});
}
for (const shadyFilename of shadyFilenames) {
testFilenameExpressions.elements.push(
{type: 'Literal', value: shadyFilename + '?dom=shadow'});
}
}
});
// Try to infer indentation
let indentation = ' ';
const parent = script.parentNode;
const scriptIndex = parent.childNodes.indexOf(script);
if (scriptIndex >= 0 &&
parent.childNodes[scriptIndex - 1].nodeName === '#text') {
const textJustBefore = parent.childNodes[scriptIndex - 1].value;
indentation = textJustBefore.match(/( +)$/)[1];
}
data.value = '\n' + escodegen.generate(program, {
comment: true,
format: {
indent: {
style: ' ',
base: (indentation.length / 2) + 1,
adjustMultilineComment: true
}
}
}) + '\n' + indentation;
}
if (updateNeeded) {
fs.writeFileSync(testIndexFile, dom5.serialize(domTree) + '\n', 'utf8');
element.needsReview = true;
await makeCommit(
element, ['test/index.html'],
'Add shadow dom test configurations.');
}
}