40 lines
964 B
JavaScript
40 lines
964 B
JavaScript
const debug = require("debug")("streamroller:fileNameFormatter");
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const path = require("path");
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const ZIP_EXT = ".gz";
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const DEFAULT_FILENAME_SEP = ".";
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module.exports = ({
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file,
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keepFileExt,
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needsIndex,
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alwaysIncludeDate,
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compress,
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fileNameSep
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}) => {
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let FILENAME_SEP = fileNameSep || DEFAULT_FILENAME_SEP;
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const dirAndName = path.join(file.dir, file.name);
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const ext = f => f + file.ext;
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const index = (f, i, d) =>
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(needsIndex || !d) && i ? f + FILENAME_SEP + i : f;
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const date = (f, i, d) => {
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return (i > 0 || alwaysIncludeDate) && d ? f + FILENAME_SEP + d : f;
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};
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const gzip = (f, i) => (i && compress ? f + ZIP_EXT : f);
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const parts = keepFileExt
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? [date, index, ext, gzip]
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: [ext, date, index, gzip];
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return ({ date, index }) => {
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debug(`_formatFileName: date=${date}, index=${index}`);
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return parts.reduce(
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(filename, part) => part(filename, index, date),
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dirAndName
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);
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};
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};
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