app-builder-lib
Version:
electron-builder lib
80 lines (73 loc) • 3.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.BLOCK_MAP_FILE_SUFFIX = void 0;
exports.createNsisWebDifferentialUpdateInfo = createNsisWebDifferentialUpdateInfo;
exports.configureDifferentialAwareArchiveOptions = configureDifferentialAwareArchiveOptions;
exports.appendBlockmap = appendBlockmap;
exports.createBlockmap = createBlockmap;
const builder_util_1 = require("builder-util");
const path = require("path");
const appBuilder_1 = require("../util/appBuilder");
exports.BLOCK_MAP_FILE_SUFFIX = ".blockmap";
function createNsisWebDifferentialUpdateInfo(artifactPath, packageFiles) {
if (packageFiles == null) {
return null;
}
const keys = Object.keys(packageFiles);
if (keys.length <= 0) {
return null;
}
const packages = {};
for (const arch of keys) {
const packageFileInfo = packageFiles[arch];
const file = path.basename(packageFileInfo.path);
packages[arch] = {
...packageFileInfo,
path: file,
// https://github.com/electron-userland/electron-builder/issues/2583
file,
};
}
return { packages };
}
function configureDifferentialAwareArchiveOptions(archiveOptions) {
/*
* dict size 64 MB: Full: 33,744.88 KB, To download: 17,630.3 KB (52%)
* dict size 16 MB: Full: 33,936.84 KB, To download: 16,175.9 KB (48%)
* dict size 8 MB: Full: 34,187.59 KB, To download: 8,229.9 KB (24%)
* dict size 4 MB: Full: 34,628.73 KB, To download: 3,782.97 KB (11%)
as we can see, if file changed in one place, all block is invalidated (and update size approximately equals to dict size)
1 MB is used:
1MB:
2018/01/11 11:54:41:0045 File has 59 changed blocks
2018/01/11 11:54:41:0050 Full: 71,588.59 KB, To download: 1,243.39 KB (2%)
4MB:
2018/01/11 11:31:43:0440 Full: 70,303.55 KB, To download: 4,843.27 KB (7%)
2018/01/11 11:31:43:0435 File has 234 changed blocks
*/
archiveOptions.dictSize = 1;
// solid compression leads to a lot of changed blocks
archiveOptions.solid = false;
// do not allow to change compression level to avoid different packages
archiveOptions.compression = "normal";
return archiveOptions;
}
async function appendBlockmap(file) {
builder_util_1.log.info({ file: builder_util_1.log.filePath(file) }, "building embedded block map");
return await (0, appBuilder_1.executeAppBuilderAsJson)(["blockmap", "--input", file, "--compression", "deflate"]);
}
async function createBlockmap(file, target, packager, safeArtifactName) {
const blockMapFile = `${file}${exports.BLOCK_MAP_FILE_SUFFIX}`;
builder_util_1.log.info({ blockMapFile: builder_util_1.log.filePath(blockMapFile) }, "building block map");
const updateInfo = await (0, appBuilder_1.executeAppBuilderAsJson)(["blockmap", "--input", file, "--output", blockMapFile]);
await packager.info.emitArtifactBuildCompleted({
file: blockMapFile,
safeArtifactName: safeArtifactName == null ? null : `${safeArtifactName}${exports.BLOCK_MAP_FILE_SUFFIX}`,
target,
arch: null,
packager,
updateInfo,
});
return updateInfo;
}
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