91 lines
2.3 KiB
JavaScript
91 lines
2.3 KiB
JavaScript
'use strict';
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const path = require('path');
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const oassign = require('object-assign');
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const writeJSON = require('write-json-file');
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const loadJSON = require('load-json-file');
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const readPkgUp = require('read-pkg-up');
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const isCssColorHex = require('is-css-color-hex');
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const isCssColorName = require('is-css-color-name');
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function validate(vals, pkg) {
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const presets = {
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dir: ['ltr', 'rtl', 'auto'],
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icons: ['72', '96', '128', '144', '152', '192', '384', '512'],
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display: ['fullscreen', 'standalone', 'minimal-ui', 'browser'],
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orientation: [
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'any', 'natural', 'landscape', 'landscape-primary',
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'landscape-secondary', 'portrait', 'portrait-primary',
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'portrait-secondary'
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]
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};
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const err = m => new Error(m + ' has an invalid value: ' + vals[m]);
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const hasPreset = (m, v) => presets[m].indexOf(v) >= 0;
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const isCssColorVal = v => isCssColorHex(v) || isCssColorName(v);
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const shortize = name => name.slice(0, 12);
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if (vals.display && !hasPreset('display', vals.display)) {
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throw err('display');
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}
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if (vals.orientation && !hasPreset('orientation', vals.orientation)) {
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throw err('orientation');
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}
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if (!vals.name && pkg && pkg.name) {
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vals.name = pkg.name;
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vals.short_name = pkg.name;
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}
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if (vals.short_name) {
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vals.short_name = shortize(vals.short_name);
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}
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if (vals.background_color && !isCssColorVal(vals.background_color)) {
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throw err('background_color');
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}
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if (vals.theme_color && !isCssColorVal(vals.theme_color)) {
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throw err('theme_color');
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}
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if (vals.dir && !hasPreset('dir', vals.dir)) {
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throw err('dir');
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}
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return vals;
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}
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function manifestDir(dir) {
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return path.join(dir, 'manifest.json');
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}
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module.exports = function (opts) {
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opts = oassign({}, opts);
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return readPkgUp({}).then(res => {
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opts = validate(opts, res.pkg);
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})
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.then(() => loadJSON(path.join(__dirname, './assets/manifest.json')))
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.then(manifest => {
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oassign(manifest, opts);
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return manifest;
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});
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};
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module.exports.write = function (dir, manifest) {
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return writeJSON(manifestDir(dir), manifest);
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};
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module.exports.write.sync = function (dir, manifest) {
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return writeJSON.sync(manifestDir(dir), manifest);
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};
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module.exports.read = function (dir) {
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return loadJSON(manifestDir(dir));
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};
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module.exports.read.sync = function (dir) {
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return loadJSON.sync(manifestDir(dir));
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};
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