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build: fix es2015 resolution issue in ng_rollup_bundle tool (#33808) 

This fixes an issue bundling es2015 with ng_rollup_bundle that was covered up by a typo when refactoring ng_rollup_bundle to not use legacy rollup_bundle internals and to use the new terser_minified rule and npm_package_bin to call brotli.

Note: ng_rollup_bundle is only used in the angular repo and not externally so this issue does not affect users

PR Close #33808
This commit is contained in:
Greg Magolan 2019-11-13 14:07:38 -08:00 committed by Alex Rickabaugh
parent a67cb92e6b
commit e7dd7525cb
1 changed files with 20 additions and 14 deletions
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20
tools/ng_rollup_bundle/rollup.config.js
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@ -55,6 +55,7 @@ function resolveBazel(
log_verbose(`resolving '${importee}' from ${importer}`); log_verbose(`resolving '${importee}' from ${importer}`);
function resolveInRootDir(importee) { function resolveInRootDir(importee) {
function tryImportee(importee) {
var candidate = path.join(baseDir, root, importee); var candidate = path.join(baseDir, root, importee);
log_verbose(`try to resolve '${importee}' at '${candidate}'`); log_verbose(`try to resolve '${importee}' at '${candidate}'`);
try { try {
@ -64,6 +65,18 @@ function resolveBazel(
return undefined; return undefined;
} }
} }
// Attempt to resovle first as specified, then in the following order
// {importee}.mjs, {importee}/index.mjs, {importee}.js, {importee}/index.js.
// TODO(gregmagolan): clean this up in the future as the .mjs es2015 outputs
// along side the .js es5 outputs from ts_library creates this unusual situation for
// which we can't rely on standard node module resolution to do the right thing.
// In the future ts_library (or equivalent) should only produce a single flavor of
// output and ng_rollup_bundle should also just use the use the vanilla rollup_bundle
// rule without the need for a custom bazel resolver.
return tryImportee(importee) || tryImportee(`${importee}.mjs`) ||
tryImportee(`${importee}/index.mjs`) || tryImportee(`${importee}.js`) ||
tryImportee(`${importee}/index.js`);
}
// Since mappings are always in POSIX paths, when comparing the importee to mappings // Since mappings are always in POSIX paths, when comparing the importee to mappings
// we should normalize the importee. // we should normalize the importee.
@ -117,13 +130,6 @@ function resolveBazel(
} }
if (resolved) { if (resolved) {
if (path.extname(resolved) == '.js') {
// check for .mjs file and prioritize that
const resolved_mjs = resolved.substr(0, resolved.length - 3) + '.mjs';
if (fileExists(resolved_mjs)) {
resolved = resolved_mjs;
}
}
log_verbose(`resolved to ${resolved}`); log_verbose(`resolved to ${resolved}`);
} else { } else {
log_verbose(`allowing rollup to resolve '${importee}' with node module resolution`); log_verbose(`allowing rollup to resolve '${importee}' with node module resolution`);