How to use precedingLastLine method in wpt

Best JavaScript code snippet using wpt

error.js

Source:error.js Github

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1/**2 * @param {string} text3 */4function lastLine(text) {5 const splitted = text.split("\n");6 return splitted[splitted.length - 1];7}8function appendIfExist(base, target) {9 let result = base;10 if (target) {11 result += ` ${target}`;12 }13 return result;14}15function contextAsText(node) {16 const hierarchy = [node];17 while (node && node.parent) {18 const { parent } = node;19 hierarchy.unshift(parent);20 node = parent;21 }22 return hierarchy.map((n) => appendIfExist(n.type, n.name)).join(" -> ");23}24/**25 * @typedef {object} WebIDL2ErrorOptions26 * @property {"error" | "warning"} [level]27 * @property {Function} [autofix]28 *29 * @typedef {ReturnType<typeof error>} WebIDLErrorData30 *31 * @param {string} message error message32 * @param {"Syntax" | "Validation"} kind error type33 * @param {WebIDL2ErrorOptions} [options]34 */35function error(36 source,37 position,38 current,39 message,40 kind,41 { level = "error", autofix, ruleName } = {}42) {43 /**44 * @param {number} count45 */46 function sliceTokens(count) {47 return count > 048 ? source.slice(position, position + count)49 : source.slice(Math.max(position + count, 0), position);50 }51 function tokensToText(inputs, { precedes } = {}) {52 const text = inputs.map((t) => t.trivia + t.value).join("");53 const nextToken = source[position];54 if (nextToken.type === "eof") {55 return text;56 }57 if (precedes) {58 return text + nextToken.trivia;59 }60 return text.slice(nextToken.trivia.length);61 }62 const maxTokens = 5; // arbitrary but works well enough63 const line =64 source[position].type !== "eof"65 ? source[position].line66 : source.length > 167 ? source[position - 1].line68 : 1;69 const precedingLastLine = lastLine(70 tokensToText(sliceTokens(-maxTokens), { precedes: true })71 );72 const subsequentTokens = sliceTokens(maxTokens);73 const subsequentText = tokensToText(subsequentTokens);74 const subsequentFirstLine = subsequentText.split("\n")[0];75 const spaced = " ".repeat(precedingLastLine.length) + "^";76 const sourceContext = precedingLastLine + subsequentFirstLine + "\n" + spaced;77 const contextType = kind === "Syntax" ? "since" : "inside";78 const inSourceName = source.name ? ` in ${source.name}` : "";79 const grammaticalContext =80 current && current.name81 ? `, ${contextType} \`${current.partial ? "partial " : ""}${contextAsText(82 current83 )}\``84 : "";85 const context = `${kind} error at line ${line}${inSourceName}${grammaticalContext}:\n${sourceContext}`;86 return {87 message: `${context} ${message}`,88 bareMessage: message,89 context,90 line,91 sourceName: source.name,92 level,93 ruleName,94 autofix,95 input: subsequentText,96 tokens: subsequentTokens,97 };98}99/**100 * @param {string} message error message101 */102export function syntaxError(source, position, current, message) {103 return error(source, position, current, message, "Syntax");104}105/**106 * @param {string} message error message107 * @param {WebIDL2ErrorOptions} [options]108 */109export function validationError(110 token,111 current,112 ruleName,113 message,114 options = {}115) {116 options.ruleName = ruleName;117 return error(118 current.source,119 token.index,120 current,121 message,122 "Validation",123 options124 );...

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Using AI Code Generation

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1var wpt = require('wpt');2var options = {3};4wpt.runTest(options, function(err, data) {5 if (err) return console.log(err);6 console.log(data);7 wpt.getTestStatus(data.data.testId, function(err, data) {8 if (err) return console.log(err);9 console.log(data);10 wpt.getTestResults(data.data.testId, function(err, data) {11 if (err) return console.log(err);12 console.log(data);13 wpt.getTestResults(data.data.testId, function(err, data) {14 if (err) return console.log(err);15 console.log(data);16 wpt.getTestResults(data.data.testId, function(err, data) {17 if (err) return console.log(err);18 console.log(data);19 });20 });21 });22 });23});

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Using AI Code Generation

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1var wpt = require('wpt');2var fs = require('fs');3var util = require('util');4var options = {5};6wpt.runTest(options, function(err, data) {7 if (err) {8 console.log(err);9 } else {10 console.log(data);11 fs.writeFile('test.json', JSON.stringify(data), function(err) {12 if (err) {13 console.log(err);14 } else {15 console.log("JSON saved to test.json");16 }17 });18 }19});

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Using AI Code Generation

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1var wpt = require('wpt');2var wpt = new WebPageTest('www.webpagetest.org');3wpt.getTestStatus('160411_7Q_31c', function(err, data) {4 if (err) return console.error(err);5 var lastLine = wpt.precedingLastLine(data.data);6 console.log(lastLine);7});

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