77 lines
1.9 KiB
JavaScript
77 lines
1.9 KiB
JavaScript
/*eslint ember/require-return-from-computed: "warn"*/
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// TODO: Remove ^
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import Component from '@ember/component';
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import { get, set, computed } from '@ember/object';
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const createWeak = function(wm = new WeakMap()) {
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return {
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get: function(ref, prop) {
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let map = wm.get(ref);
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if (map) {
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return map[prop];
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}
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},
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set: function(ref, prop, value) {
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let map = wm.get(ref);
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if (typeof map === 'undefined') {
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map = {};
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wm.set(ref, map);
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}
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map[prop] = value;
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return map[prop];
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},
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};
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};
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const weak = createWeak();
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// Covers alpha-capitalized dot separated API keys such as
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// `{{Name}}`, `{{Service.Name}}` etc. but not `{{}}`
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const templateRe = /{{([A-Za-z.0-9_-]+)}}/g;
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export default Component.extend({
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tagName: 'a',
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attributeBindings: ['href', 'rel', 'target'],
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rel: computed({
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get: function(prop) {
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return weak.get(this, prop);
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},
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set: function(prop, value) {
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switch (value) {
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case 'external':
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value = `${value} noopener noreferrer`;
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set(this, 'target', '_blank');
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break;
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}
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return weak.set(this, prop, value);
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},
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}),
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vars: computed({
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get: function(prop) {
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return weak.get(this, prop);
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},
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set: function(prop, value) {
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weak.set(this, prop, value);
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set(this, 'href', weak.get(this, 'template'));
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},
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}),
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href: computed({
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get: function(prop) {
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return weak.get(this, prop);
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},
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set: function(prop, value) {
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weak.set(this, 'template', value);
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const vars = weak.get(this, 'vars');
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if (typeof vars !== 'undefined' && typeof value !== 'undefined') {
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value = value.replace(templateRe, function(match, group) {
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try {
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return encodeURIComponent(get(vars, group) || '');
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} catch (e) {
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return '';
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}
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});
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return weak.set(this, prop, value);
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}
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return '';
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},
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}),
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});
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