@angular/cdk
Version:
Angular Material Component Development Kit
46 lines • 6.69 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.OutputNamesMigration = void 0;
const migration_1 = require("../../update-tool/migration");
const angular_1 = require("../html-parsing/angular");
const upgrade_data_1 = require("../upgrade-data");
/**
* Migration that walks through every inline or external HTML template and switches
* changed output binding names to the proper new output name.
*/
class OutputNamesMigration extends migration_1.Migration {
constructor() {
super(...arguments);
/** Change data that upgrades to the specified target version. */
this.data = (0, upgrade_data_1.getVersionUpgradeData)(this, 'outputNames');
// Only enable the migration rule if there is upgrade data.
this.enabled = this.data.length !== 0;
}
visitTemplate(template) {
this.data.forEach(name => {
const limitedTo = name.limitedTo;
const relativeOffsets = [];
if (limitedTo.attributes) {
relativeOffsets.push(...(0, angular_1.findOutputsOnElementWithAttr)(template.content, name.replace, limitedTo.attributes));
}
if (limitedTo.elements) {
relativeOffsets.push(...(0, angular_1.findOutputsOnElementWithTag)(template.content, name.replace, limitedTo.elements));
}
relativeOffsets
.map(offset => template.start + offset)
.forEach(start => this._replaceOutputName(template.filePath, start, name.replace.length, name.replaceWith));
});
}
_replaceOutputName(filePath, start, width, newName) {
this.fileSystem.edit(filePath).remove(start, width).insertRight(start, newName);
}
}
exports.OutputNamesMigration = OutputNamesMigration;
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