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49 lines
No EOL
1.8 KiB
Text
49 lines
No EOL
1.8 KiB
Text
"use strict";
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// The following code is adapted from the the code in eslint.
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// License: https://github.com/eslint/eslint/blob/48700fc8408f394887cdedd071b22b757700fdcb/LICENSE
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.TokenInfo = void 0;
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/**
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* A helper class to get token-based info related to indentation
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*/
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class TokenInfo {
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constructor(sourceCode) {
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this.sourceCode = sourceCode;
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this.firstTokensByLineNumber = sourceCode.tokensAndComments.reduce((map, token) => {
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if (!map.has(token.loc.start.line)) {
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map.set(token.loc.start.line, token);
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}
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if (!map.has(token.loc.end.line) &&
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sourceCode.text
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.slice(token.range[1] - token.loc.end.column, token.range[1])
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.trim()) {
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map.set(token.loc.end.line, token);
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}
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return map;
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}, new Map());
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}
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/**
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* Gets the first token on a given token's line
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* @returns The first token on the given line
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*/
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getFirstTokenOfLine(token) {
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return this.firstTokensByLineNumber.get(token.loc.start.line);
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}
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/**
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* Determines whether a token is the first token in its line
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* @returns `true` if the token is the first on its line
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*/
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isFirstTokenOfLine(token) {
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return this.getFirstTokenOfLine(token) === token;
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}
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/**
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* Get the actual indent of a token
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* @param token Token to examine. This should be the first token on its line.
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* @returns The indentation characters that precede the token
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*/
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getTokenIndent(token) {
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return this.sourceCode.text.slice(token.range[0] - token.loc.start.column, token.range[0]);
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}
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}
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exports.TokenInfo = TokenInfo;
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//# sourceMappingURL=TokenInfo.js.map |