91 lines
2.8 KiB
TypeScript
91 lines
2.8 KiB
TypeScript
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var broccoli = require('broccoli');
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var destCopy = require('./broccoli-dest-copy');
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var fse = require('fs-extra');
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var makeBrowserTree = require('./trees/browser_tree');
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var makeNodeTree = require('./trees/node_tree');
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var makeDartTree = require('./trees/dart_tree');
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var path = require('path');
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var printSlowTrees = require('broccoli-slow-trees');
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/**
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* Helper for building with broccoli.
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*/
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export class BroccoliBuilder {
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private builder;
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private broccoliExecuted: {[s: string]: boolean} = {};
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// Named constructors
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static forDevTree(): BroccoliBuilder {
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return new BroccoliBuilder(makeBrowserTree({name: 'dev', typeAssertions: true}),
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path.join('js', 'dev'));
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}
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static forNodeTree(): BroccoliBuilder {
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return new BroccoliBuilder(makeNodeTree(), path.join('js', 'cjs'));
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}
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static forProdTree(): BroccoliBuilder {
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return new BroccoliBuilder(makeBrowserTree({name: 'prod', typeAssertions: false}),
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path.join('js', 'prod'));
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}
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static forDartTree(): BroccoliBuilder { return new BroccoliBuilder(makeDartTree(), 'dart'); }
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constructor(tree, private outputRoot: string) {
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if (this.broccoliExecuted[outputRoot]) {
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throw new Error('The broccoli task can be called only once for outputRoot ' + outputRoot);
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}
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this.broccoliExecuted[outputRoot] = true;
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var distPath = path.join('dist', outputRoot);
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// We do a clean build every time to avoid stale outputs.
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// Broccoli's cache folders allow it to remain incremental without reading this dir.
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fse.removeSync(distPath);
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tree = destCopy(tree, 'dist');
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this.builder = new broccoli.Builder(tree);
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}
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doBuild(): Promise<any> {
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return this.builder.build()
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.then(hash =>
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{
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console.log('=== Stats for %s (total: %ds) ===', this.outputRoot,
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Math.round(hash.totalTime / 1000000) / 1000);
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printSlowTrees(hash.graph);
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})
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.catch(err => {
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// Should show file and line/col if present
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if (err.file) {
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console.error('File: ' + err.file);
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}
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if (err.stack) {
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console.error(err.stack);
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} else {
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console.error(err);
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}
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throw err;
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});
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}
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buildOnce(): Promise<any> {
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// es6-promise doesn't have finally()
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return (<any>this.doBuild())
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.finally(() =>
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{
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this.time('Build cleanup', () => this.builder.cleanup());
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console.log('=== Done building %s ===', this.outputRoot);
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})
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.catch(err => {
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console.error('\nBuild failed');
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process.exit(1);
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});
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}
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time(label, work) {
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var start = Date.now();
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work();
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var duration = Date.now() - start;
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console.log("%s: %dms", label, duration);
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}
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}
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