mirror of
https://github.com/squidfunk/mkdocs-material.git
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115 lines
3.5 KiB
TypeScript
115 lines
3.5 KiB
TypeScript
/*
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* Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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import * as fs from "fs/promises"
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import * as path from "path"
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import postcss from "postcss"
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import { Observable, defer, merge } from "rxjs"
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import {
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endWith,
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ignoreElements,
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switchMap,
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tap
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} from "rxjs/operators"
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import { render as sass } from "sass"
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import { promisify } from "util"
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import { base, mkdir } from "../resolve"
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/* ----------------------------------------------------------------------------
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* Helper types
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* ------------------------------------------------------------------------- */
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/**
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* Transform options
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*/
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interface TransformOptions {
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src: string /* Source file */
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out: string /* Target file */
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optimize?: boolean /* Optimize assets */
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}
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/* ----------------------------------------------------------------------------
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* Data
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* ------------------------------------------------------------------------- */
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/**
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* Base directory for source maps
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*/
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const root = new RegExp(`file://${path.resolve(".")}/`, "g")
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/* ----------------------------------------------------------------------------
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* Functions
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* ------------------------------------------------------------------------- */
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/**
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* Transform a stylesheet
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*
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* @param options - Options
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*
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* @returns File observable
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*/
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export function transformStyle(
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{ src, out, optimize }: TransformOptions
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): Observable<string> {
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return defer(() => promisify(sass)({
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file: src,
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includePaths: [
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"src/assets/stylesheets",
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"node_modules/modularscale-sass/stylesheets",
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"node_modules/material-design-color",
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"node_modules/material-shadows"
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],
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sourceMap: true,
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sourceMapRoot: ".",
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outFile: out
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}))
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.pipe(
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switchMap(({ css, map }) => postcss([
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require("autoprefixer"),
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require("postcss-inline-svg")({
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paths: [
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`${base}/.icons`
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],
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encode: false
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}),
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...optimize ? [require("cssnano")] : []
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])
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.process(css, {
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from: src,
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to: out,
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map: {
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prev: `${map}`.replace(root, ""),
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inline: false
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}
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})
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),
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tap(() => mkdir(path.dirname(out))),
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switchMap(({ css, map }) => merge(
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fs.writeFile(`${out}`, css),
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fs.writeFile(`${out}.map`, map.toString())
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)),
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ignoreElements(),
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endWith(out)
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)
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}
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