|
| 1 | +const fs = require("fs"); |
| 2 | +const path = require("path"); |
| 3 | + |
| 4 | +const gulp = require("gulp"); |
| 5 | +const babel = require("gulp-babel"); |
| 6 | +const uglify = require("gulp-uglify"); |
| 7 | +const rename = require("gulp-rename"); |
| 8 | +const replace = require("gulp-replace"); |
| 9 | +const stripCssComments = require("strip-css-comments"); |
| 10 | +const trim = require("trim"); |
| 11 | +const decomment = require("decomment"); |
| 12 | +const sass = require("node-sass"); |
| 13 | + |
| 14 | +gulp.task("compile", () => { |
| 15 | + return gulp |
| 16 | + .src("./rh-health-index.js") |
| 17 | + .pipe( |
| 18 | + replace( |
| 19 | + /^(import .*?)(['"]\.\.\/(?!\.\.\/).*)(\.js['"];)$/gm, |
| 20 | + "$1$2.umd$3" |
| 21 | + ) |
| 22 | + ) |
| 23 | + .pipe(babel()) |
| 24 | + .pipe(uglify()) |
| 25 | + .pipe( |
| 26 | + rename({ |
| 27 | + suffix: ".umd" |
| 28 | + }) |
| 29 | + ) |
| 30 | + .pipe(gulp.dest("./")); |
| 31 | +}); |
| 32 | + |
| 33 | +gulp.task("watch", () => { |
| 34 | + return gulp.watch("./src/*", gulp.series("merge", "compile")); |
| 35 | +}); |
| 36 | + |
| 37 | +gulp.task("merge", () => { |
| 38 | + return gulp |
| 39 | + .src("./src/rh-health-index.js") |
| 40 | + .pipe( |
| 41 | + replace( |
| 42 | + /extends\s+RHElement\s+{/g, |
| 43 | + (classStatement, character, jsFile) => { |
| 44 | + // extract the templateUrl and styleUrl with regex. Would prefer to do |
| 45 | + // this by require'ing rh-health-index.js and asking it directly, but without |
| 46 | + // node.js support for ES modules, we're stuck with this. |
| 47 | + const oneLineFile = jsFile |
| 48 | + .slice(character) |
| 49 | + .split("\n") |
| 50 | + .join(" "); |
| 51 | + const [ |
| 52 | + , |
| 53 | + templateUrl |
| 54 | + ] = /get\s+templateUrl\([^)]*\)\s*{\s*return\s+"([^"]+)"/.exec( |
| 55 | + oneLineFile |
| 56 | + ); |
| 57 | + |
| 58 | + let html = fs |
| 59 | + .readFileSync(path.join("./src", templateUrl)) |
| 60 | + .toString() |
| 61 | + .trim(); |
| 62 | + |
| 63 | + html = decomment(html); |
| 64 | + |
| 65 | + const [ |
| 66 | + , |
| 67 | + styleUrl |
| 68 | + ] = /get\s+styleUrl\([^)]*\)\s*{\s*return\s+"([^"]+)"/.exec( |
| 69 | + oneLineFile |
| 70 | + ); |
| 71 | + |
| 72 | + const styleFilePath = path.join("./src", styleUrl); |
| 73 | + |
| 74 | + let cssResult = sass.renderSync({ |
| 75 | + file: styleFilePath |
| 76 | + }).css; |
| 77 | + |
| 78 | + cssResult = stripCssComments(cssResult).trim(); |
| 79 | + |
| 80 | + return `${classStatement} |
| 81 | + get html() { |
| 82 | + return \` |
| 83 | +<style> |
| 84 | +${cssResult} |
| 85 | +</style> |
| 86 | +${html}\`; |
| 87 | + } |
| 88 | +`; |
| 89 | + } |
| 90 | + ) |
| 91 | + ) |
| 92 | + .pipe(gulp.dest("./")); |
| 93 | +}); |
| 94 | + |
| 95 | +gulp.task("default", gulp.series("merge", "compile")); |
| 96 | + |
| 97 | +gulp.task("dev", gulp.series("merge", "compile", "watch")); |
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