103 lines
2.4 KiB
JavaScript
103 lines
2.4 KiB
JavaScript
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const fastglob = require("fast-glob");
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const micromatch = require("micromatch");
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const { TemplatePath } = require("@11ty/eleventy-utils");
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const debug = require("debug")("Eleventy:FastGlobManager");
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class FileSystemSearch {
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constructor() {
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this.inputs = {};
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this.outputs = {};
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this.promises = {};
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this.count = 0;
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}
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getCacheKey(key, globs, options) {
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if (Array.isArray(globs)) {
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globs = globs.sort();
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}
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return key + JSON.stringify(globs) + JSON.stringify(options);
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}
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// returns a promise
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search(key, globs, options = {}) {
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debug("Glob search (%o) searching for: %o", key, globs);
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if (!Array.isArray(globs)) {
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globs = [globs];
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}
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// Strip leading slashes from everything!
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globs = globs.map((entry) => TemplatePath.stripLeadingDotSlash(entry));
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if (options.ignore && Array.isArray(options.ignore)) {
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options.ignore = options.ignore.map((entry) => TemplatePath.stripLeadingDotSlash(entry));
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debug("Glob search (%o) ignoring: %o", key, options.ignore);
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}
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let cacheKey = this.getCacheKey(key, globs, options);
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// Only after the promise has resolved
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if (this.outputs[cacheKey]) {
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return Array.from(this.outputs[cacheKey]);
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}
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if (!this.promises[cacheKey]) {
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this.inputs[cacheKey] = {
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input: globs,
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options,
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};
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this.count++;
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this.promises[cacheKey] = fastglob(
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globs,
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Object.assign(
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{
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caseSensitiveMatch: false, // insensitive
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dot: true,
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},
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options
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)
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).then((results) => {
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this.outputs[cacheKey] = new Set(
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results.map((entry) => TemplatePath.addLeadingDotSlash(entry))
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);
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return Array.from(this.outputs[cacheKey]);
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});
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}
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// may be an unresolved promise
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return this.promises[cacheKey];
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}
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_modify(path, setOperation) {
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path = TemplatePath.stripLeadingDotSlash(path);
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let normalized = TemplatePath.addLeadingDotSlash(path);
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for (let key in this.inputs) {
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let { input, options } = this.inputs[key];
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if (
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micromatch([path], input, {
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dot: true,
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nocase: true, // insensitive
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ignore: options.ignore,
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}).length > 0
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) {
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this.outputs[key][setOperation](normalized);
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}
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}
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}
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add(path) {
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this._modify(path, "add");
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}
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delete(path) {
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this._modify(path, "delete");
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}
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}
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module.exports = FileSystemSearch;
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