Marc Mintel
5397309103
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47 lines
1.4 KiB
Plaintext
47 lines
1.4 KiB
Plaintext
import { ParserError } from "../util/errors.js";
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import type { FileInfo } from "../types/index.js";
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import type { Plugin } from "../types/index.js";
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const TEXT_REGEXP = /\.(txt|htm|html|md|xml|js|min|map|css|scss|less|svg)$/i;
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export default {
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/**
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* The order that this parser will run, in relation to other parsers.
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*/
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order: 300,
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/**
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* Whether to allow "empty" files (zero bytes).
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*/
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allowEmpty: true,
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/**
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* The encoding that the text is expected to be in.
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*/
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encoding: "utf8" as BufferEncoding,
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/**
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* Determines whether this parser can parse a given file reference.
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* Parsers that return true will be tried, in order, until one successfully parses the file.
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* Parsers that return false will be skipped, UNLESS all parsers returned false, in which case
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* every parser will be tried.
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*/
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canParse(file: FileInfo) {
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// Use this parser if the file is a string or Buffer, and has a known text-based extension
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return (typeof file.data === "string" || Buffer.isBuffer(file.data)) && TEXT_REGEXP.test(file.url);
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},
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/**
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* Parses the given file as text
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*/
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parse(file: FileInfo) {
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if (typeof file.data === "string") {
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return file.data;
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} else if (Buffer.isBuffer(file.data)) {
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return file.data.toString(this.encoding);
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} else {
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throw new ParserError("data is not text", file.url);
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}
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},
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} as Plugin;
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