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108 lines
2.5 KiB
Text
Executable file
108 lines
2.5 KiB
Text
Executable file
'use strict';
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/**
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* @typedef {object} Plugin
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* @prop {Set<string>} targets
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* @prop {Set<string>} nodeTypes
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* @prop {(node: import('postcss').Node) => void} detectAndResolve
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* @prop {(node: import('postcss').Node) => void} detectAndWarn
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*/
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/**
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* @typedef {import('postcss').Node & {_stylehacks: {
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message: string,
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browsers: Set<string>,
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identifier: string,
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hack: string }}} NodeWithInfo
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*/
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module.exports = class BasePlugin {
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/**
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* @param {string[]} targets
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* @param {string[]} nodeTypes
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* @param {import('postcss').Result=} result
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*/
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constructor(targets, nodeTypes, result) {
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/** @type {NodeWithInfo[]} */
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this.nodes = [];
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this.targets = new Set(targets);
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this.nodeTypes = new Set(nodeTypes);
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this.result = result;
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}
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/**
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* @param {import('postcss').Node} node
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* @param {{identifier: string, hack: string}} metadata
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* @return {void}
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*/
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push(node, metadata) {
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/** @type {NodeWithInfo} */ (node)._stylehacks = Object.assign(
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{},
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metadata,
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{
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message: `Bad ${metadata.identifier}: ${metadata.hack}`,
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browsers: this.targets,
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}
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);
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this.nodes.push(/** @type {NodeWithInfo} */ (node));
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}
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/**
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* @param {import('postcss').Node} node
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* @return {boolean}
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*/
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any(node) {
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if (this.nodeTypes.has(node.type)) {
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this.detect(node);
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return /** @type {NodeWithInfo} */ (node)._stylehacks !== undefined;
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}
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return false;
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}
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/**
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* @param {import('postcss').Node} node
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* @return {void}
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*/
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detectAndResolve(node) {
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this.nodes = [];
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this.detect(node);
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return this.resolve();
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}
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/**
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* @param {import('postcss').Node} node
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* @return {void}
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*/
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detectAndWarn(node) {
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this.nodes = [];
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this.detect(node);
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return this.warn();
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}
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/** @param {import('postcss').Node} node */
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// eslint-disable-next-line no-unused-vars
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detect(node) {
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throw new Error('You need to implement this method in a subclass.');
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}
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/** @return {void} */
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resolve() {
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return this.nodes.forEach((node) => node.remove());
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}
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warn() {
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return this.nodes.forEach((node) => {
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const { message, browsers, identifier, hack } = node._stylehacks;
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return node.warn(
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/** @type {import('postcss').Result} */ (this.result),
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message + JSON.stringify({ browsers, identifier, hack })
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);
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});
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}
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};
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