diff options
| author | Darius Jahandarie <djahandarie@gmail.com> | 2023-11-08 03:11:35 +0900 | 
|---|---|---|
| committer | Darius Jahandarie <djahandarie@gmail.com> | 2023-11-08 03:23:17 +0900 | 
| commit | 0f4d36938fd0d844f548aa5a7f7e7842df8dfb41 (patch) | |
| tree | 5b6be3620a557d0b9177047003f6d742d9d2a32d /dev/css-to-json-util.js | |
| parent | ef79eab44bfd000792c610b968b5ceefd41e76a0 (diff) | |
Switch to vitest for ESM support; other fixes
Diffstat (limited to 'dev/css-to-json-util.js')
| -rw-r--r-- | dev/css-to-json-util.js | 172 | 
1 files changed, 0 insertions, 172 deletions
diff --git a/dev/css-to-json-util.js b/dev/css-to-json-util.js deleted file mode 100644 index 79aae3c9..00000000 --- a/dev/css-to-json-util.js +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (C) 2023  Yomitan Authors - * Copyright (C) 2021-2022  Yomichan Authors - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program.  If not, see <https://www.gnu.org/licenses/>. - */ - -const fs = require('fs'); -const css = require('css'); - -function indexOfRule(rules, selectors) { -    const jj = selectors.length; -    for (let i = 0, ii = rules.length; i < ii; ++i) { -        const ruleSelectors = rules[i].selectors; -        if (ruleSelectors.length !== jj) { continue; } -        let okay = true; -        for (let j = 0; j < jj; ++j) { -            if (selectors[j] !== ruleSelectors[j]) { -                okay = false; -                break; -            } -        } -        if (okay) { return i; } -    } -    return -1; -} - -function removeProperty(styles, property, removedProperties) { -    let removeCount = removedProperties.get(property); -    if (typeof removeCount !== 'undefined') { return removeCount; } -    removeCount = 0; -    for (let i = 0, ii = styles.length; i < ii; ++i) { -        const key = styles[i][0]; -        if (key !== property) { continue; } -        styles.splice(i, 1); -        --i; -        --ii; -        ++removeCount; -    } -    removedProperties.set(property, removeCount); -    return removeCount; -} - -function formatRulesJson(rules) { -    // Manually format JSON, for improved compactness -    // return JSON.stringify(rules, null, 4); -    const indent1 = '    '; -    const indent2 = indent1.repeat(2); -    const indent3 = indent1.repeat(3); -    let result = ''; -    result += '['; -    let index1 = 0; -    for (const {selectors, styles} of rules) { -        if (index1 > 0) { result += ','; } -        result += `\n${indent1}{\n${indent2}"selectors": `; -        if (selectors.length === 1) { -            result += `[${JSON.stringify(selectors[0], null, 4)}]`; -        } else { -            result += JSON.stringify(selectors, null, 4).replace(/\n/g, '\n' + indent2); -        } -        result += `,\n${indent2}"styles": [`; -        let index2 = 0; -        for (const [key, value] of styles) { -            if (index2 > 0) { result += ','; } -            result += `\n${indent3}[${JSON.stringify(key)}, ${JSON.stringify(value)}]`; -            ++index2; -        } -        if (index2 > 0) { result += `\n${indent2}`; } -        result += `]\n${indent1}}`; -        ++index1; -    } -    if (index1 > 0) { result += '\n'; } -    result += ']'; -    return result; -} - -function generateRules(cssFile, overridesCssFile) { -    const content1 = fs.readFileSync(cssFile, {encoding: 'utf8'}); -    const content2 = fs.readFileSync(overridesCssFile, {encoding: 'utf8'}); -    const stylesheet1 = css.parse(content1, {}).stylesheet; -    const stylesheet2 = css.parse(content2, {}).stylesheet; - -    const removePropertyPattern = /^remove-property\s+([\w\W]+)$/; -    const removeRulePattern = /^remove-rule$/; -    const propertySeparator = /\s+/; - -    const rules = []; - -    // Default stylesheet -    for (const rule of stylesheet1.rules) { -        if (rule.type !== 'rule') { continue; } -        const {selectors, declarations} = rule; -        const styles = []; -        for (const declaration of declarations) { -            if (declaration.type !== 'declaration') { console.log(declaration); continue; } -            const {property, value} = declaration; -            styles.push([property, value]); -        } -        if (styles.length > 0) { -            rules.push({selectors, styles}); -        } -    } - -    // Overrides -    for (const rule of stylesheet2.rules) { -        if (rule.type !== 'rule') { continue; } -        const {selectors, declarations} = rule; -        const removedProperties = new Map(); -        for (const declaration of declarations) { -            switch (declaration.type) { -                case 'declaration': -                    { -                        const index = indexOfRule(rules, selectors); -                        let entry; -                        if (index >= 0) { -                            entry = rules[index]; -                        } else { -                            entry = {selectors, styles: []}; -                            rules.push(entry); -                        } -                        const {property, value} = declaration; -                        removeProperty(entry.styles, property, removedProperties); -                        entry.styles.push([property, value]); -                    } -                    break; -                case 'comment': -                    { -                        const index = indexOfRule(rules, selectors); -                        if (index < 0) { throw new Error('Could not find rule with matching selectors'); } -                        const comment = declaration.comment.trim(); -                        let m; -                        if ((m = removePropertyPattern.exec(comment)) !== null) { -                            for (const property of m[1].split(propertySeparator)) { -                                const removeCount = removeProperty(rules[index].styles, property, removedProperties); -                                if (removeCount === 0) { throw new Error(`Property removal is unnecessary; ${property} does not exist`); } -                            } -                        } else if (removeRulePattern.test(comment)) { -                            rules.splice(index, 1); -                        } -                    } -                    break; -            } -        } -    } - -    // Remove empty -    for (let i = 0, ii = rules.length; i < ii; ++i) { -        if (rules[i].styles.length > 0) { continue; } -        rules.splice(i, 1); -        --i; -        --ii; -    } - -    return rules; -} - - -module.exports = { -    formatRulesJson, -    generateRules -};  |