How to use string-replace-async - 10 common examples
To help you get started, we’ve selected a few string-replace-async examples, based on popular ways it is used in public projects.
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springload / metatemplate / src / template-formats / html / template.html.ts View on Github 
)
).join("");
}
throw Error(
`Unknown templateUsages type ${typeof templateUsages} from aCode.variables[${key}]. aCode = ${JSON.stringify(
aCode
)}. templateUsages: ${JSON.stringify(templateUsages)}`
);
};
// When there are attribute variable placeholders side-by-side
// then add a space.
// FIXME: Use a bloody HTML parser for all this code
html = html.replace(/\}\}\{\{/g, "}} {{");
html = await stringReplaceAsync(
html,
/{{(.*?)}}/gi,
async (match, middle) => {
const dynamicKey: DynamicKey = parseDynamicKey(middle);
validateDynamicKey(dynamicKey);
return draw(dynamicKey, true, dynamicKey.type as EnumOption[]);
}
);
// Some attributes will be valueless eg disabled="" which is considered
// false so we shouldn't render the attribute at all.
html = html.replace(/[a-zA-Z][a-zA-Z0-9-]+?="\s*"/gi, "");
// and certain boolean attributes should be converted to valueless
html = html.replace(/([a-zA-Z][a-zA-Z0-9-]+?)="true"/gi, (match, p1) => {
if (match.includes("value=")) {
// TODO: compare against HTML5 boolean attributesif (!key) throw Error(`Couldn't find key in "${match}"`);
const value = (aCode as TemplateUsageElement).variables[key];
if (!!value) {
const response = match
.substring(match.indexOf(">") + 1)
.replace("", "");
return response;
} else {
return "";
}
}
);
html = await stringReplaceAsync(
html,
//gi,
async match => {
// self-closing
const key = getAttr(match, "key");
if (!key) throw Error(`Couldn't find key in "${match}"`);
return await renderByVariableElementKey(key);
}
);
html = await stringReplaceAsync(
html,
/([\s\S]*?)<\/mt-variable>/gi,
async (match, defaultValue) => {
// expanded placeholder
const key = getAttr(match, "key");}
);
// Some attributes will be valueless eg disabled="" which is considered
// false so we shouldn't render the attribute at all.
html = html.replace(/[a-zA-Z][a-zA-Z0-9-]+?="\s*"/gi, "");
// and certain boolean attributes should be converted to valueless
html = html.replace(/([a-zA-Z][a-zA-Z0-9-]+?)="true"/gi, (match, p1) => {
if (match.includes("value=")) {
// TODO: compare against HTML5 boolean attributes
return match;
}
return p1;
});
html = await stringReplaceAsync(
html,
//gi,
async match => {
// FIXME: obviously regexes and HTML don't mix well
// so if nested this will break. Replace with proper parser.
const key = getAttr(match, "key");
if (!key) throw Error(`Couldn't find key in "${match}"`);
const value = (aCode as TemplateUsageElement).variables[key];
if (!!value) {
const response = match
.substring(match.indexOf(">") + 1)
.replace("", "");
return response;
} else {export async function wikiTextToHTML(wikitext, slug) {
let html = InstaView.convert(wikitext);
html = await stringReplaceAsync(html, /ARTICLENAMEGOESHERE(.*?)(['"])/g, async (all, article, quote) => {
let wiki;
if(article.indexOf(":") == -1) {
// Local link
wiki = slug;
} else {
// Interwiki
article = article.replace(/^:/, "");
wiki = article.substr(0, article.indexOf(":"));
article = article.substr(article.indexOf(":") + 1);
wiki = toSlug(wiki.replace("/", "MYAWESOMECONSTANT")).replace(toSlug("MYAWESOMECONSTANT"), "/");
}
article = toSlug(article);}
}
);
html = await stringReplaceAsync(
html,
//gi,
async match => {
// self-closing
const key = getAttr(match, "key");
if (!key) throw Error(`Couldn't find key in "${match}"`);
return await renderByVariableElementKey(key);
}
);
html = await stringReplaceAsync(
html,
/([\s\S]*?)<\/mt-variable>/gi,
async (match, defaultValue) => {
// expanded placeholder
const key = getAttr(match, "key");
if (!key) throw Error(`Couldn't find key in "${match}"`);
return await renderByVariableElementKey(key, defaultValue);
}
);
return html;
};replaceWithENSAddress(cmd, cb) {
const self = this;
let regex = /\'[a-zA-Z0-9.]+\.eth\'/g;
return stringReplaceAsync.seq(cmd, regex, (ensDomain) => {
ensDomain = ensDomain.slice(1, ensDomain.length - 1);
return (new Promise((resolve, reject) => {
self.events.request("ens:resolve", ensDomain, (err, address) => {
if(err) {
return reject(new Error(err));
}
address = `'${address}'`;
return resolve(address);
});
}));
}).then((address) => {
cb(null, address);
}).catch(cb);
}return BPromise.try(() => {
let fullMetadata = getMetadataForOpenTracking(metadata)
return stringReplaceAsync.seq(
htmlEmail,
this.options.openTracking.regexLinks,
BPromise.coroutine(function *(match, p1, link, p3) {
if (this.options.openTracking.applyToFirstCandidateOnly && numCandidate > 0) {
return match
}
let applyInstruction = this.options.openTracking.shouldApply(link)
if (!applyInstruction) {
return match
}
if (!openPxl) {
if (applyInstruction.metadata) {const replaceWithAddresses = (cmd) => {
let regex = /\$\w+\[?\d?\]?/g;
return stringReplaceAsync.seq(cmd, regex, (match, index) => {
return (new Promise((resolve, reject) => {
if (match.startsWith('$accounts')) {
let accountIndex = cmd.substring(index + 10, index + 12);
accountIndex = parseInt(accountIndex, 10);
return this.events.request('blockchain:getAccounts', (err, accounts) => {
if (err) {
return reject('Error getting accounts: ' + err.message || err);
}
if (!accounts[accountIndex]) {
return reject(__('No corresponding account at index %d', accountIndex));
}
resolve(accounts[accountIndex]);
});
}
let referedContractName = match.slice(1);const replaceWithAddresses = (cmd) => {
let regex = /\$\w+\[?\d?\]?/g;
return stringReplaceAsync.seq(cmd, regex, (match, index) => {
return (new Promise((resolve, reject) => {
if (match.startsWith('$accounts')) {
let accountIndex = cmd.substring(index + 10, index + 12);
accountIndex = parseInt(accountIndex, 10);
return this.events.request('blockchain:getAccounts', (err, accounts) => {
if (err) {
return reject('Error getting accounts: ' + err.message || err);
}
if (!accounts[accountIndex]) {
return reject(__('No corresponding account at index %d', accountIndex));
}
resolve(accounts[accountIndex]);
});
}
let referedContractName = match.slice(1);const replaceWithENSAddress = (cmd) => {
let regex = /\'[a-zA-Z0-9.]+\.eth\'/g;
return stringReplaceAsync.seq(cmd, regex, (ensDomain) => {
ensDomain = ensDomain.slice(1, ensDomain.length - 1);
return (new Promise((resolve, reject) => {
this.events.request("ens:resolve", ensDomain, (err, address) => {
if(err) {
return reject(new Error(err));
}
address = `'${address}'`;
return resolve(address);
});
}));
});
};string-replace-async
Asynchronous String.prototype.replace()
