vue hello world项目
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const ESLINT_VERSION = require("../utils/eslint-version.cjs");
function convertTemplateType(tokens, tl) {
let curlyBrace = null;
let templateTokens = [];
const result = [];
function addTemplateType() {
const start = templateTokens[0];
const end = templateTokens[templateTokens.length - 1];
const value = templateTokens.reduce((result, token) => {
if (token.value) {
result += token.value;
} else if (token.type.label !== tl.template) {
result += token.type.label;
}
return result;
}, "");
result.push({
type: "Template",
value: value,
start: start.start,
end: end.end,
loc: {
start: start.loc.start,
end: end.loc.end
}
});
templateTokens = [];
}
tokens.forEach(token => {
switch (token.type.label) {
case tl.backQuote:
if (curlyBrace) {
result.push(curlyBrace);
curlyBrace = null;
}
templateTokens.push(token);
if (templateTokens.length > 1) {
addTemplateType();
}
break;
case tl.dollarBraceL:
templateTokens.push(token);
addTemplateType();
break;
case tl.braceR:
if (curlyBrace) {
result.push(curlyBrace);
}
curlyBrace = token;
break;
case tl.template:
if (curlyBrace) {
templateTokens.push(curlyBrace);
curlyBrace = null;
}
templateTokens.push(token);
break;
default:
if (curlyBrace) {
result.push(curlyBrace);
curlyBrace = null;
}
result.push(token);
}
});
return result;
}
function convertToken(token, source, tl) {
const {
type
} = token;
const {
label
} = type;
token.range = [token.start, token.end];
if (label === tl.name) {
if (token.value === "static") {
token.type = "Keyword";
} else {
token.type = "Identifier";
}
} else if (label === tl.semi || label === tl.comma || label === tl.parenL || label === tl.parenR || label === tl.braceL || label === tl.braceR || label === tl.slash || label === tl.dot || label === tl.bracketL || label === tl.bracketR || label === tl.ellipsis || label === tl.arrow || label === tl.pipeline || label === tl.star || label === tl.incDec || label === tl.colon || label === tl.question || label === tl.template || label === tl.backQuote || label === tl.dollarBraceL || label === tl.at || label === tl.logicalOR || label === tl.logicalAND || label === tl.nullishCoalescing || label === tl.bitwiseOR || label === tl.bitwiseXOR || label === tl.bitwiseAND || label === tl.equality || label === tl.relational || label === tl.bitShift || label === tl.plusMin || label === tl.modulo || label === tl.exponent || label === tl.bang || label === tl.tilde || label === tl.doubleColon || label === tl.hash || label === tl.questionDot || label === tl.braceHashL || label === tl.braceBarL || label === tl.braceBarR || label === tl.bracketHashL || label === tl.bracketBarL || label === tl.bracketBarR || label === tl.doubleCaret || label === tl.doubleAt || type.isAssign) {
var _token$value;
token.type = "Punctuator";
(_token$value = token.value) != null ? _token$value : token.value = label;
} else if (label === tl.jsxTagStart) {
token.type = "Punctuator";
token.value = "<";
} else if (label === tl.jsxTagEnd) {
token.type = "Punctuator";
token.value = ">";
} else if (label === tl.jsxName) {
token.type = "JSXIdentifier";
} else if (label === tl.jsxText) {
token.type = "JSXText";
} else if (type.keyword === "null") {
token.type = "Null";
} else if (type.keyword === "false" || type.keyword === "true") {
token.type = "Boolean";
} else if (type.keyword) {
token.type = "Keyword";
} else if (label === tl.num) {
token.type = "Numeric";
token.value = source.slice(token.start, token.end);
} else if (label === tl.string) {
token.type = "String";
token.value = source.slice(token.start, token.end);
} else if (label === tl.regexp) {
token.type = "RegularExpression";
const value = token.value;
token.regex = {
pattern: value.pattern,
flags: value.flags
};
token.value = `/${value.pattern}/${value.flags}`;
} else if (label === tl.bigint) {
token.type = "Numeric";
token.value = `${token.value}n`;
} else if (label === tl.privateName) {
token.type = "PrivateIdentifier";
} else if (label === tl.templateNonTail || label === tl.templateTail) {
token.type = "Template";
}
if (typeof token.type !== "string") {
delete token.type.rightAssociative;
}
}
module.exports = function convertTokens(tokens, code, tl) {
const result = [];
const templateTypeMergedTokens = convertTemplateType(tokens, tl);
for (let i = 0, {
length
} = templateTypeMergedTokens; i < length - 1; i++) {
const token = templateTypeMergedTokens[i];
const tokenType = token.type;
if (tokenType === "CommentLine" || tokenType === "CommentBlock") {
continue;
}
{
if (ESLINT_VERSION >= 8 && i + 1 < length && tokenType.label === tl.hash) {
const nextToken = templateTypeMergedTokens[i + 1];
if (nextToken.type.label === tl.name && token.end === nextToken.start) {
i++;
nextToken.type = "PrivateIdentifier";
nextToken.start -= 1;
nextToken.loc.start.column -= 1;
nextToken.range = [nextToken.start, nextToken.end];
result.push(nextToken);
continue;
}
}
}
convertToken(token, code, tl);
result.push(token);
}
return result;
};