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309 lines (270 loc) · 7.36 KB
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import babel from '@rollup/plugin-babel';
import strip from '@rollup/plugin-strip';
import { createFilter } from '@rollup/pluginutils';
import dts from 'rollup-plugin-dts';
import jscc from 'rollup-plugin-jscc';
import { terser } from 'rollup-plugin-terser';
import { version } from './package.json';
import { visualizer } from 'rollup-plugin-visualizer';
import { execSync } from 'child_process';
let revision;
try {
revision = execSync('git rev-parse --short HEAD').toString().trim();
} catch (e) {
revision = 'unknown';
}
function getBanner(config) {
return [
'/**',
' * @license',
' * PlayCanvas Engine v' + version + ' revision ' + revision + config,
' * Copyright 2011-' + new Date().getFullYear() + ' PlayCanvas Ltd. All rights reserved.',
' */'
].join('\n');
}
function spacesToTabs(enable) {
const filter = createFilter([
'**/*.js'
], []);
return {
transform(code, id) {
if (!enable || !filter(id)) return undefined;
return {
code: code.replace(/\G {4}/g, '\t'),
map: null
};
}
};
}
function shaderChunks(enable) {
const filter = createFilter([
'**/*.vert.js',
'**/*.frag.js'
], []);
return {
transform(code, id) {
if (!enable || !filter(id)) return undefined;
code = code.replace(/\/\* glsl \*\/\`((.|\r|\n)*)\`/, (match, glsl) => {
// Remove carriage returns
glsl = glsl.replace(/\r/g, '');
// 4 spaces to tabs
glsl = glsl.replace(/ {4}/g, '\t');
// Remove comments
glsl = glsl.replace(/\/\*[\s\S]*?\*\/|\/\/.*/g, '');
// Trim all whitespace from line endings
glsl = glsl.split('\n').map(line => line.trimEnd()).join('\n');
// Restore final new line
glsl += '\n';
// Comment removal can leave an empty line so condense 2 or more to 1
glsl = glsl.replace(/\n{2,}/g, '\n');
// Remove new line character at the start of the string
if (glsl.length > 1 && glsl[0] === '\n') {
glsl = glsl.substr(1);
}
return JSON.stringify(glsl);
});
return {
code: code,
map: null
};
}
};
}
const es5Options = {
babelHelpers: 'bundled',
babelrc: false,
comments: false,
compact: false,
minified: false,
presets: [
[
'@babel/preset-env', {
loose: true,
modules: false,
targets: {
ie: '11'
}
}
]
]
};
const moduleOptions = {
babelHelpers: 'bundled',
babelrc: false,
comments: false,
compact: false,
minified: false,
presets: [
[
'@babel/preset-env', {
bugfixes: true,
loose: true,
modules: false,
targets: {
esmodules: true
}
}
]
]
};
const stripFunctions = [
'Debug.assert',
'Debug.call',
'Debug.deprecated',
'Debug.warn',
'Debug.warnOnce',
'Debug.error',
'Debug.errorOnce',
'Debug.log',
'Debug.logOnce',
'Debug.trace',
'DebugHelper.setName',
'DebugGraphics.pushGpuMarker',
'DebugGraphics.popGpuMarker',
'WorldClustersDebug.render'
];
// buildType is: 'debug', 'release', 'profiler', 'min'
// moduleFormat is: 'es5', 'es6'
function buildTarget(buildType, moduleFormat) {
const banner = {
debug: ' (DEBUG PROFILER)',
release: '',
profiler: ' (PROFILER)'
};
const outputPlugins = {
release: [],
min: [
terser()
]
};
if (process.env.treemap) {
outputPlugins.min.push(visualizer({
brotliSize: true,
gzipSize: true
}));
}
const outputFile = {
debug: 'build/playcanvas.dbg',
release: 'build/playcanvas',
profiler: 'build/playcanvas.prf',
min: 'build/playcanvas.min'
};
const outputExtension = {
es5: '.js',
es6: '.mjs'
};
const outputFormat = {
es5: 'umd',
es6: 'es'
};
const sourceMap = {
debug: 'inline',
release: null
};
const outputOptions = {
banner: getBanner(banner[buildType] || banner.release),
plugins: outputPlugins[buildType || outputPlugins.release],
file: `${outputFile[buildType]}${outputExtension[moduleFormat]}`,
format: outputFormat[moduleFormat],
indent: '\t',
sourcemap: sourceMap[buildType] || sourceMap.release,
name: 'pc'
};
const sdkVersion = {
_CURRENT_SDK_VERSION: version,
_CURRENT_SDK_REVISION: revision
};
const jsccOptions = {
debug: {
values: {
...sdkVersion,
_DEBUG: 1,
_PROFILER: 1
},
keepLines: true
},
release: {
values: sdkVersion
},
profiler: {
values: {
...sdkVersion,
_PROFILER: 1
}
}
};
const stripOptions = {
debug: {
functions: []
},
release: {
functions: stripFunctions
}
};
const babelOptions = {
es5: es5Options,
es6: moduleOptions
};
return {
input: 'src/index.js',
output: outputOptions,
plugins: [
jscc(jsccOptions[buildType] || jsccOptions.release),
shaderChunks(buildType !== 'debug'),
strip(stripOptions[buildType] || stripOptions.release),
babel(babelOptions[moduleFormat]),
spacesToTabs(buildType !== 'debug')
]
};
}
function scriptTarget(name, input, output) {
return {
input: input,
output: {
banner: getBanner(''),
file: output || input.replace('.mjs', '.js'),
format: 'umd',
indent: '\t',
name: name
},
plugins: [
babel(es5Options),
spacesToTabs()
]
};
}
const target_extras = [
scriptTarget('pcx', 'extras/index.js', 'build/playcanvas-extras.js'),
scriptTarget('VoxParser', 'scripts/parsers/vox-parser.mjs')
];
const target_types = {
input: 'types/index.d.ts',
output: [{
file: 'build/playcanvas.d.ts',
footer: 'export as namespace pc;',
format: 'es'
}],
plugins: [
dts()
]
};
export default (args) => {
let targets = [];
const envTarget = process.env.target ? process.env.target.toLowerCase() : null;
if (envTarget === 'types') {
targets.push(target_types);
} else {
['release', 'debug', 'profiler', 'min'].forEach((t) => {
['es5', 'es6'].forEach((m) => {
if (envTarget === null || envTarget === t || envTarget === m || envTarget === `${t}_${m}`) {
targets.push(buildTarget(t, m));
}
});
});
if (envTarget === null) {
// no targets specified, build them all
targets = targets.concat(target_extras);
}
}
return targets;
};